28997540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{10139}}^1$

素因数の和:10172

約数の個数: 48

約数和(自身を含む): 71547840

約数和(自身を除く): 42550300

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 10139, 20278, 40556, 50695, 101390, 111529, 131807, 202780, 223058, 263614, 446116, 527228, 557645, 659035, 1115290, 1318070, 1449877, 2230580, 2636140, 2899754, 5799508, 7249385, 14498770, 28997540]

約数ペア:

[(1, 28997540), (2, 14498770), (4, 7249385), (5, 5799508), (10, 2899754), (11, 2636140), (13, 2230580), (20, 1449877), (22, 1318070), (26, 1115290), (44, 659035), (52, 557645), (55, 527228), (65, 446116), (110, 263614), (130, 223058), (143, 202780), (220, 131807), (260, 111529), (286, 101390), (572, 50695), (715, 40556), (1430, 20278), (2860, 10139)]