221489290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{163}}^1\times {\mathrm{1123}}^1$

素因数の和:1315

約数の個数: 48

約数和(自身を含む): 441300384

約数和(自身を除く): 219811094

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 163, 242, 326, 605, 815, 1123, 1210, 1630, 1793, 2246, 3586, 5615, 8965, 11230, 12353, 17930, 19723, 24706, 39446, 61765, 98615, 123530, 135883, 183049, 197230, 271766, 366098, 679415, 915245, 1358830, 1830490, 2013539, 4027078, 10067695, 20135390, 22148929, 44297858, 110744645, 221489290]

約数ペア:

[(1, 221489290), (2, 110744645), (5, 44297858), (10, 22148929), (11, 20135390), (22, 10067695), (55, 4027078), (110, 2013539), (121, 1830490), (163, 1358830), (242, 915245), (326, 679415), (605, 366098), (815, 271766), (1123, 197230), (1210, 183049), (1630, 135883), (1793, 123530), (2246, 98615), (3586, 61765), (5615, 39446), (8965, 24706), (11230, 19723), (12353, 17930)]