245288920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{2213}}^1$

素因数の和:2404

約数の個数: 64

約数和(自身を含む): 588215520

約数和(自身を除く): 342926600

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 163, 170, 326, 340, 652, 680, 815, 1304, 1630, 2213, 2771, 3260, 4426, 5542, 6520, 8852, 11065, 11084, 13855, 17704, 22130, 22168, 27710, 37621, 44260, 55420, 75242, 88520, 110840, 150484, 188105, 300968, 360719, 376210, 721438, 752420, 1442876, 1504840, 1803595, 2885752, 3607190, 6132223, 7214380, 12264446, 14428760, 24528892, 30661115, 49057784, 61322230, 122644460, 245288920]

約数ペア:

[(1, 245288920), (2, 122644460), (4, 61322230), (5, 49057784), (8, 30661115), (10, 24528892), (17, 14428760), (20, 12264446), (34, 7214380), (40, 6132223), (68, 3607190), (85, 2885752), (136, 1803595), (163, 1504840), (170, 1442876), (326, 752420), (340, 721438), (652, 376210), (680, 360719), (815, 300968), (1304, 188105), (1630, 150484), (2213, 110840), (2771, 88520), (3260, 75242), (4426, 55420), (5542, 44260), (6520, 37621), (8852, 27710), (11065, 22168), (11084, 22130), (13855, 17704)]