209225100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{331}}^1$

素因数の和:405

約数の個数: 216

約数和(自身を含む): 722745408

約数和(自身を除く): 513520308

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 43, 49, 50, 60, 70, 75, 84, 86, 98, 100, 105, 129, 140, 147, 150, 172, 175, 196, 210, 215, 245, 258, 294, 300, 301, 331, 350, 420, 430, 490, 516, 525, 588, 602, 645, 662, 700, 735, 860, 903, 980, 993, 1050, 1075, 1204, 1225, 1290, 1324, 1470, 1505, 1655, 1806, 1986, 2100, 2107, 2150, 2317, 2450, 2580, 2940, 3010, 3225, 3310, 3612, 3675, 3972, 4214, 4300, 4515, 4634, 4900, 4965, 6020, 6321, 6450, 6620, 6951, 7350, 7525, 8275, 8428, 9030, 9268, 9930, 10535, 11585, 12642, 12900, 13902, 14233, 14700, 15050, 16219, 16550, 18060, 19860, 21070, 22575, 23170, 24825, 25284, 27804, 28466, 30100, 31605, 32438, 33100, 34755, 42140, 42699, 45150, 46340, 48657, 49650, 52675, 56932, 57925, 63210, 64876, 69510, 71165, 81095, 85398, 90300, 97314, 99300, 99631, 105350, 115850, 126420, 139020, 142330, 158025, 162190, 170796, 173775, 194628, 199262, 210700, 213495, 231700, 243285, 284660, 298893, 316050, 324380, 347550, 355825, 398524, 405475, 426990, 486570, 498155, 597786, 632100, 695100, 697417, 711650, 810950, 853980, 973140, 996310, 1067475, 1195572, 1216425, 1394834, 1423300, 1494465, 1621900, 1992620, 2092251, 2134950, 2432850, 2490775, 2789668, 2988930, 3487085, 4184502, 4269900, 4865700, 4981550, 5977860, 6974170, 7472325, 8369004, 9963100, 10461255, 13948340, 14944650, 17435425, 20922510, 29889300, 34870850, 41845020, 52306275, 69741700, 104612550, 209225100]

約数ペア:

[(1, 209225100), (2, 104612550), (3, 69741700), (4, 52306275), (5, 41845020), (6, 34870850), (7, 29889300), (10, 20922510), (12, 17435425), (14, 14944650), (15, 13948340), (20, 10461255), (21, 9963100), (25, 8369004), (28, 7472325), (30, 6974170), (35, 5977860), (42, 4981550), (43, 4865700), (49, 4269900), (50, 4184502), (60, 3487085), (70, 2988930), (75, 2789668), (84, 2490775), (86, 2432850), (98, 2134950), (100, 2092251), (105, 1992620), (129, 1621900), (140, 1494465), (147, 1423300), (150, 1394834), (172, 1216425), (175, 1195572), (196, 1067475), (210, 996310), (215, 973140), (245, 853980), (258, 810950), (294, 711650), (300, 697417), (301, 695100), (331, 632100), (350, 597786), (420, 498155), (430, 486570), (490, 426990), (516, 405475), (525, 398524), (588, 355825), (602, 347550), (645, 324380), (662, 316050), (700, 298893), (735, 284660), (860, 243285), (903, 231700), (980, 213495), (993, 210700), (1050, 199262), (1075, 194628), (1204, 173775), (1225, 170796), (1290, 162190), (1324, 158025), (1470, 142330), (1505, 139020), (1655, 126420), (1806, 115850), (1986, 105350), (2100, 99631), (2107, 99300), (2150, 97314), (2317, 90300), (2450, 85398), (2580, 81095), (2940, 71165), (3010, 69510), (3225, 64876), (3310, 63210), (3612, 57925), (3675, 56932), (3972, 52675), (4214, 49650), (4300, 48657), (4515, 46340), (4634, 45150), (4900, 42699), (4965, 42140), (6020, 34755), (6321, 33100), (6450, 32438), (6620, 31605), (6951, 30100), (7350, 28466), (7525, 27804), (8275, 25284), (8428, 24825), (9030, 23170), (9268, 22575), (9930, 21070), (10535, 19860), (11585, 18060), (12642, 16550), (12900, 16219), (13902, 15050), (14233, 14700)]