161069890

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{3719}}^1$

素因数の和:3858

約数の個数: 32

約数和(自身を含む): 298909440

約数和(自身を除く): 137839550

約数列:

[1, 2, 5, 10, 61, 71, 122, 142, 305, 355, 610, 710, 3719, 4331, 7438, 8662, 18595, 21655, 37190, 43310, 226859, 264049, 453718, 528098, 1134295, 1320245, 2268590, 2640490, 16106989, 32213978, 80534945, 161069890]

約数ペア:

[(1, 161069890), (2, 80534945), (5, 32213978), (10, 16106989), (61, 2640490), (71, 2268590), (122, 1320245), (142, 1134295), (305, 528098), (355, 453718), (610, 264049), (710, 226859), (3719, 43310), (4331, 37190), (7438, 21655), (8662, 18595)]