31435250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:129

約数の個数: 128

約数和(自身を含む): 77635584

約数和(自身を除く): 46200334

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 23, 25, 35, 46, 50, 55, 70, 71, 77, 110, 115, 125, 142, 154, 161, 175, 230, 250, 253, 275, 322, 350, 355, 385, 497, 506, 550, 575, 710, 770, 781, 805, 875, 994, 1150, 1265, 1375, 1562, 1610, 1633, 1750, 1771, 1775, 1925, 2485, 2530, 2750, 2875, 3266, 3542, 3550, 3850, 3905, 4025, 4970, 5467, 5750, 6325, 7810, 8050, 8165, 8855, 8875, 9625, 10934, 11431, 12425, 12650, 16330, 17710, 17750, 17963, 19250, 19525, 20125, 22862, 24850, 27335, 31625, 35926, 39050, 40250, 40825, 44275, 54670, 57155, 62125, 63250, 81650, 88550, 89815, 97625, 114310, 124250, 125741, 136675, 179630, 195250, 204125, 221375, 251482, 273350, 285775, 408250, 442750, 449075, 571550, 628705, 683375, 898150, 1257410, 1366750, 1428875, 2245375, 2857750, 3143525, 4490750, 6287050, 15717625, 31435250]

約数ペア:

[(1, 31435250), (2, 15717625), (5, 6287050), (7, 4490750), (10, 3143525), (11, 2857750), (14, 2245375), (22, 1428875), (23, 1366750), (25, 1257410), (35, 898150), (46, 683375), (50, 628705), (55, 571550), (70, 449075), (71, 442750), (77, 408250), (110, 285775), (115, 273350), (125, 251482), (142, 221375), (154, 204125), (161, 195250), (175, 179630), (230, 136675), (250, 125741), (253, 124250), (275, 114310), (322, 97625), (350, 89815), (355, 88550), (385, 81650), (497, 63250), (506, 62125), (550, 57155), (575, 54670), (710, 44275), (770, 40825), (781, 40250), (805, 39050), (875, 35926), (994, 31625), (1150, 27335), (1265, 24850), (1375, 22862), (1562, 20125), (1610, 19525), (1633, 19250), (1750, 17963), (1771, 17750), (1775, 17710), (1925, 16330), (2485, 12650), (2530, 12425), (2750, 11431), (2875, 10934), (3266, 9625), (3542, 8875), (3550, 8855), (3850, 8165), (3905, 8050), (4025, 7810), (4970, 6325), (5467, 5750)]