69840220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{1607}}^1$

素因数の和:1710

約数の個数: 48

約数和(自身を含む): 153171648

約数和(自身を除く): 83331428

約数列:

[1, 2, 4, 5, 10, 20, 41, 53, 82, 106, 164, 205, 212, 265, 410, 530, 820, 1060, 1607, 2173, 3214, 4346, 6428, 8035, 8692, 10865, 16070, 21730, 32140, 43460, 65887, 85171, 131774, 170342, 263548, 329435, 340684, 425855, 658870, 851710, 1317740, 1703420, 3492011, 6984022, 13968044, 17460055, 34920110, 69840220]

約数ペア:

[(1, 69840220), (2, 34920110), (4, 17460055), (5, 13968044), (10, 6984022), (20, 3492011), (41, 1703420), (53, 1317740), (82, 851710), (106, 658870), (164, 425855), (205, 340684), (212, 329435), (265, 263548), (410, 170342), (530, 131774), (820, 85171), (1060, 65887), (1607, 43460), (2173, 32140), (3214, 21730), (4346, 16070), (6428, 10865), (8035, 8692)]