42207220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{107}}^1\times {\mathrm{163}}^1$

素因数の和:301

約数の個数: 72

約数和(自身を含む): 98939232

約数和(自身を除く): 56732012

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 107, 110, 121, 163, 214, 220, 242, 326, 428, 484, 535, 605, 652, 815, 1070, 1177, 1210, 1630, 1793, 2140, 2354, 2420, 3260, 3586, 4708, 5885, 7172, 8965, 11770, 12947, 17441, 17930, 19723, 23540, 25894, 34882, 35860, 39446, 51788, 64735, 69764, 78892, 87205, 98615, 129470, 174410, 191851, 197230, 258940, 348820, 383702, 394460, 767404, 959255, 1918510, 2110361, 3837020, 4220722, 8441444, 10551805, 21103610, 42207220]

約数ペア:

[(1, 42207220), (2, 21103610), (4, 10551805), (5, 8441444), (10, 4220722), (11, 3837020), (20, 2110361), (22, 1918510), (44, 959255), (55, 767404), (107, 394460), (110, 383702), (121, 348820), (163, 258940), (214, 197230), (220, 191851), (242, 174410), (326, 129470), (428, 98615), (484, 87205), (535, 78892), (605, 69764), (652, 64735), (815, 51788), (1070, 39446), (1177, 35860), (1210, 34882), (1630, 25894), (1793, 23540), (2140, 19723), (2354, 17930), (2420, 17441), (3260, 12947), (3586, 11770), (4708, 8965), (5885, 7172)]