214644920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{4703}}^1$

素因数の和:4884

約数の個数: 64

約数和(自身を含む): 555448320

約数和(自身を除く): 340803400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 163, 280, 326, 652, 815, 1141, 1304, 1630, 2282, 3260, 4564, 4703, 5705, 6520, 9128, 9406, 11410, 18812, 22820, 23515, 32921, 37624, 45640, 47030, 65842, 94060, 131684, 164605, 188120, 263368, 329210, 658420, 766589, 1316840, 1533178, 3066356, 3832945, 5366123, 6132712, 7665890, 10732246, 15331780, 21464492, 26830615, 30663560, 42928984, 53661230, 107322460, 214644920]

約数ペア:

[(1, 214644920), (2, 107322460), (4, 53661230), (5, 42928984), (7, 30663560), (8, 26830615), (10, 21464492), (14, 15331780), (20, 10732246), (28, 7665890), (35, 6132712), (40, 5366123), (56, 3832945), (70, 3066356), (140, 1533178), (163, 1316840), (280, 766589), (326, 658420), (652, 329210), (815, 263368), (1141, 188120), (1304, 164605), (1630, 131684), (2282, 94060), (3260, 65842), (4564, 47030), (4703, 45640), (5705, 37624), (6520, 32921), (9128, 23515), (9406, 22820), (11410, 18812)]