409843940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{163}}^1\times {\mathrm{1039}}^1$

素因数の和:1233

約数の個数: 72

約数和(自身を含む): 952748160

約数和(自身を除く): 542904220

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 163, 220, 242, 326, 484, 605, 652, 815, 1039, 1210, 1630, 1793, 2078, 2420, 3260, 3586, 4156, 5195, 7172, 8965, 10390, 11429, 17930, 19723, 20780, 22858, 35860, 39446, 45716, 57145, 78892, 98615, 114290, 125719, 169357, 197230, 228580, 251438, 338714, 394460, 502876, 628595, 677428, 846785, 1257190, 1693570, 1862927, 2514380, 3387140, 3725854, 7451708, 9314635, 18629270, 20492197, 37258540, 40984394, 81968788, 102460985, 204921970, 409843940]

約数ペア:

[(1, 409843940), (2, 204921970), (4, 102460985), (5, 81968788), (10, 40984394), (11, 37258540), (20, 20492197), (22, 18629270), (44, 9314635), (55, 7451708), (110, 3725854), (121, 3387140), (163, 2514380), (220, 1862927), (242, 1693570), (326, 1257190), (484, 846785), (605, 677428), (652, 628595), (815, 502876), (1039, 394460), (1210, 338714), (1630, 251438), (1793, 228580), (2078, 197230), (2420, 169357), (3260, 125719), (3586, 114290), (4156, 98615), (5195, 78892), (7172, 57145), (8965, 45716), (10390, 39446), (11429, 35860), (17930, 22858), (19723, 20780)]