1292742440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{41381}}^1$

素因数の和:41474

約数の個数: 64

約数和(自身を含む): 3217864320

約数和(自身を除く): 1925121880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 71, 88, 110, 142, 220, 284, 355, 440, 568, 710, 781, 1420, 1562, 2840, 3124, 3905, 6248, 7810, 15620, 31240, 41381, 82762, 165524, 206905, 331048, 413810, 455191, 827620, 910382, 1655240, 1820764, 2275955, 2938051, 3641528, 4551910, 5876102, 9103820, 11752204, 14690255, 18207640, 23504408, 29380510, 32318561, 58761020, 64637122, 117522040, 129274244, 161592805, 258548488, 323185610, 646371220, 1292742440]

約数ペア:

[(1, 1292742440), (2, 646371220), (4, 323185610), (5, 258548488), (8, 161592805), (10, 129274244), (11, 117522040), (20, 64637122), (22, 58761020), (40, 32318561), (44, 29380510), (55, 23504408), (71, 18207640), (88, 14690255), (110, 11752204), (142, 9103820), (220, 5876102), (284, 4551910), (355, 3641528), (440, 2938051), (568, 2275955), (710, 1820764), (781, 1655240), (1420, 910382), (1562, 827620), (2840, 455191), (3124, 413810), (3905, 331048), (6248, 206905), (7810, 165524), (15620, 82762), (31240, 41381)]