3899687780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{88589}}^1$

素因数の和:88700

約数の個数: 48

約数和(自身を含む): 8572677120

約数和(自身を除く): 4672989340

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 71, 124, 142, 155, 284, 310, 355, 620, 710, 1420, 2201, 4402, 8804, 11005, 22010, 44020, 88589, 177178, 354356, 442945, 885890, 1771780, 2746259, 5492518, 6289819, 10985036, 12579638, 13731295, 25159276, 27462590, 31449095, 54925180, 62898190, 125796380, 194984389, 389968778, 779937556, 974921945, 1949843890, 3899687780]

約数ペア:

[(1, 3899687780), (2, 1949843890), (4, 974921945), (5, 779937556), (10, 389968778), (20, 194984389), (31, 125796380), (62, 62898190), (71, 54925180), (124, 31449095), (142, 27462590), (155, 25159276), (284, 13731295), (310, 12579638), (355, 10985036), (620, 6289819), (710, 5492518), (1420, 2746259), (2201, 1771780), (4402, 885890), (8804, 442945), (11005, 354356), (22010, 177178), (44020, 88589)]