1900383870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{11587}}^1$

素因数の和:11686

約数の個数: 128

約数和(自身を含む): 5766930432

約数和(自身を除く): 3866546562

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 42, 55, 66, 70, 71, 77, 105, 110, 142, 154, 165, 210, 213, 231, 330, 355, 385, 426, 462, 497, 710, 770, 781, 994, 1065, 1155, 1491, 1562, 2130, 2310, 2343, 2485, 2982, 3905, 4686, 4970, 5467, 7455, 7810, 10934, 11587, 11715, 14910, 16401, 23174, 23430, 27335, 32802, 34761, 54670, 57935, 69522, 81109, 82005, 115870, 127457, 162218, 164010, 173805, 243327, 254914, 347610, 382371, 405545, 486654, 637285, 764742, 811090, 822677, 892199, 1216635, 1274570, 1645354, 1784398, 1911855, 2433270, 2468031, 2676597, 3823710, 4113385, 4460995, 4936062, 5353194, 5758739, 8226770, 8921990, 9049447, 11517478, 12340155, 13382985, 17276217, 18098894, 24680310, 26765970, 27148341, 28793695, 34552434, 45247235, 54296682, 57587390, 63346129, 86381085, 90494470, 126692258, 135741705, 172762170, 190038387, 271483410, 316730645, 380076774, 633461290, 950191935, 1900383870]

約数ペア:

[(1, 1900383870), (2, 950191935), (3, 633461290), (5, 380076774), (6, 316730645), (7, 271483410), (10, 190038387), (11, 172762170), (14, 135741705), (15, 126692258), (21, 90494470), (22, 86381085), (30, 63346129), (33, 57587390), (35, 54296682), (42, 45247235), (55, 34552434), (66, 28793695), (70, 27148341), (71, 26765970), (77, 24680310), (105, 18098894), (110, 17276217), (142, 13382985), (154, 12340155), (165, 11517478), (210, 9049447), (213, 8921990), (231, 8226770), (330, 5758739), (355, 5353194), (385, 4936062), (426, 4460995), (462, 4113385), (497, 3823710), (710, 2676597), (770, 2468031), (781, 2433270), (994, 1911855), (1065, 1784398), (1155, 1645354), (1491, 1274570), (1562, 1216635), (2130, 892199), (2310, 822677), (2343, 811090), (2485, 764742), (2982, 637285), (3905, 486654), (4686, 405545), (4970, 382371), (5467, 347610), (7455, 254914), (7810, 243327), (10934, 173805), (11587, 164010), (11715, 162218), (14910, 127457), (16401, 115870), (23174, 82005), (23430, 81109), (27335, 69522), (32802, 57935), (34761, 54670)]