77799140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{5581}}^1$

素因数の和:5648

約数の個数: 48

約数和(自身を含む): 177239664

約数和(自身を除く): 99440524

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 164, 170, 205, 340, 410, 697, 820, 1394, 2788, 3485, 5581, 6970, 11162, 13940, 22324, 27905, 55810, 94877, 111620, 189754, 228821, 379508, 457642, 474385, 915284, 948770, 1144105, 1897540, 2288210, 3889957, 4576420, 7779914, 15559828, 19449785, 38899570, 77799140]

約数ペア:

[(1, 77799140), (2, 38899570), (4, 19449785), (5, 15559828), (10, 7779914), (17, 4576420), (20, 3889957), (34, 2288210), (41, 1897540), (68, 1144105), (82, 948770), (85, 915284), (164, 474385), (170, 457642), (205, 379508), (340, 228821), (410, 189754), (697, 111620), (820, 94877), (1394, 55810), (2788, 27905), (3485, 22324), (5581, 13940), (6970, 11162)]