209984250

素因数分解:

$2^1\times 3^1\times 5^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:134

約数の個数: 256

約数和(自身を含む): 655589376

約数和(自身を除く): 445605126

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 25, 30, 35, 37, 42, 46, 47, 50, 69, 70, 74, 75, 94, 105, 111, 115, 125, 138, 141, 150, 161, 175, 185, 210, 222, 230, 235, 250, 259, 282, 322, 329, 345, 350, 370, 375, 470, 483, 518, 525, 555, 575, 658, 690, 705, 750, 777, 805, 851, 875, 925, 966, 987, 1050, 1081, 1110, 1150, 1175, 1295, 1410, 1554, 1610, 1645, 1702, 1725, 1739, 1750, 1850, 1974, 2162, 2350, 2415, 2553, 2590, 2625, 2775, 2875, 3243, 3290, 3450, 3478, 3525, 3885, 4025, 4255, 4625, 4830, 4935, 5106, 5217, 5250, 5405, 5550, 5750, 5875, 5957, 6475, 6486, 7050, 7567, 7770, 8050, 8225, 8510, 8625, 8695, 9250, 9870, 10434, 10810, 11750, 11914, 12075, 12173, 12765, 12950, 13875, 15134, 16215, 16450, 17250, 17390, 17625, 17871, 19425, 20125, 21275, 22701, 24150, 24346, 24675, 25530, 26085, 27025, 27750, 29785, 32375, 32430, 35250, 35742, 36519, 37835, 38850, 39997, 40250, 41125, 42550, 43475, 45402, 49350, 52170, 54050, 59570, 60375, 60865, 63825, 64750, 73038, 75670, 79994, 81075, 82250, 86950, 89355, 97125, 106375, 113505, 119991, 120750, 121730, 123375, 127650, 130425, 135125, 148925, 162150, 178710, 182595, 189175, 194250, 199985, 212750, 217375, 227010, 239982, 246750, 260850, 270250, 279979, 297850, 304325, 319125, 365190, 378350, 399970, 405375, 434750, 446775, 559958, 567525, 599955, 608650, 638250, 652125, 744625, 810750, 839937, 893550, 912975, 945875, 999925, 1135050, 1199910, 1304250, 1399895, 1489250, 1521625, 1679874, 1825950, 1891750, 1999850, 2233875, 2799790, 2837625, 2999775, 3043250, 4199685, 4467750, 4564875, 4999625, 5675250, 5999550, 6999475, 8399370, 9129750, 9999250, 13998950, 14998875, 20998425, 29997750, 34997375, 41996850, 69994750, 104992125, 209984250]

約数ペア:

[(1, 209984250), (2, 104992125), (3, 69994750), (5, 41996850), (6, 34997375), (7, 29997750), (10, 20998425), (14, 14998875), (15, 13998950), (21, 9999250), (23, 9129750), (25, 8399370), (30, 6999475), (35, 5999550), (37, 5675250), (42, 4999625), (46, 4564875), (47, 4467750), (50, 4199685), (69, 3043250), (70, 2999775), (74, 2837625), (75, 2799790), (94, 2233875), (105, 1999850), (111, 1891750), (115, 1825950), (125, 1679874), (138, 1521625), (141, 1489250), (150, 1399895), (161, 1304250), (175, 1199910), (185, 1135050), (210, 999925), (222, 945875), (230, 912975), (235, 893550), (250, 839937), (259, 810750), (282, 744625), (322, 652125), (329, 638250), (345, 608650), (350, 599955), (370, 567525), (375, 559958), (470, 446775), (483, 434750), (518, 405375), (525, 399970), (555, 378350), (575, 365190), (658, 319125), (690, 304325), (705, 297850), (750, 279979), (777, 270250), (805, 260850), (851, 246750), (875, 239982), (925, 227010), (966, 217375), (987, 212750), (1050, 199985), (1081, 194250), (1110, 189175), (1150, 182595), (1175, 178710), (1295, 162150), (1410, 148925), (1554, 135125), (1610, 130425), (1645, 127650), (1702, 123375), (1725, 121730), (1739, 120750), (1750, 119991), (1850, 113505), (1974, 106375), (2162, 97125), (2350, 89355), (2415, 86950), (2553, 82250), (2590, 81075), (2625, 79994), (2775, 75670), (2875, 73038), (3243, 64750), (3290, 63825), (3450, 60865), (3478, 60375), (3525, 59570), (3885, 54050), (4025, 52170), (4255, 49350), (4625, 45402), (4830, 43475), (4935, 42550), (5106, 41125), (5217, 40250), (5250, 39997), (5405, 38850), (5550, 37835), (5750, 36519), (5875, 35742), (5957, 35250), (6475, 32430), (6486, 32375), (7050, 29785), (7567, 27750), (7770, 27025), (8050, 26085), (8225, 25530), (8510, 24675), (8625, 24346), (8695, 24150), (9250, 22701), (9870, 21275), (10434, 20125), (10810, 19425), (11750, 17871), (11914, 17625), (12075, 17390), (12173, 17250), (12765, 16450), (12950, 16215), (13875, 15134)]