74619580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{7507}}^1$

素因数の和:7594

約数の個数: 48

約数和(自身を含む): 181633536

約数和(自身を除く): 107013956

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 7507, 9940, 15014, 30028, 37535, 52549, 75070, 105098, 150140, 210196, 262745, 525490, 532997, 1050980, 1065994, 2131988, 2664985, 3730979, 5329970, 7461958, 10659940, 14923916, 18654895, 37309790, 74619580]

約数ペア:

[(1, 74619580), (2, 37309790), (4, 18654895), (5, 14923916), (7, 10659940), (10, 7461958), (14, 5329970), (20, 3730979), (28, 2664985), (35, 2131988), (70, 1065994), (71, 1050980), (140, 532997), (142, 525490), (284, 262745), (355, 210196), (497, 150140), (710, 105098), (994, 75070), (1420, 52549), (1988, 37535), (2485, 30028), (4970, 15014), (7507, 9940)]