68634620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{3571}}^1$

素因数の和:3642

約数の個数: 36

約数和(自身を含む): 148973832

約数和(自身を除く): 80339212

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 961, 1922, 3571, 3844, 4805, 7142, 9610, 14284, 17855, 19220, 35710, 71420, 110701, 221402, 442804, 553505, 1107010, 2214020, 3431731, 6863462, 13726924, 17158655, 34317310, 68634620]

約数ペア:

[(1, 68634620), (2, 34317310), (4, 17158655), (5, 13726924), (10, 6863462), (20, 3431731), (31, 2214020), (62, 1107010), (124, 553505), (155, 442804), (310, 221402), (620, 110701), (961, 71420), (1922, 35710), (3571, 19220), (3844, 17855), (4805, 14284), (7142, 9610)]