220187420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{2711}}^1$

素因数の和:2882

約数の個数: 48

約数和(自身を含む): 481130496

約数和(自身を除く): 260943076

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 131, 155, 262, 310, 524, 620, 655, 1310, 2620, 2711, 4061, 5422, 8122, 10844, 13555, 16244, 20305, 27110, 40610, 54220, 81220, 84041, 168082, 336164, 355141, 420205, 710282, 840410, 1420564, 1680820, 1775705, 3551410, 7102820, 11009371, 22018742, 44037484, 55046855, 110093710, 220187420]

約数ペア:

[(1, 220187420), (2, 110093710), (4, 55046855), (5, 44037484), (10, 22018742), (20, 11009371), (31, 7102820), (62, 3551410), (124, 1775705), (131, 1680820), (155, 1420564), (262, 840410), (310, 710282), (524, 420205), (620, 355141), (655, 336164), (1310, 168082), (2620, 84041), (2711, 81220), (4061, 54220), (5422, 40610), (8122, 27110), (10844, 20305), (13555, 16244)]