275444920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{1163}}^1$

素因数の和:1396

約数の個数: 64

約数和(自身を含む): 643645440

約数和(自身を除く): 368200520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 191, 248, 310, 382, 620, 764, 955, 1163, 1240, 1528, 1910, 2326, 3820, 4652, 5815, 5921, 7640, 9304, 11630, 11842, 23260, 23684, 29605, 36053, 46520, 47368, 59210, 72106, 118420, 144212, 180265, 222133, 236840, 288424, 360530, 444266, 721060, 888532, 1110665, 1442120, 1777064, 2221330, 4442660, 6886123, 8885320, 13772246, 27544492, 34430615, 55088984, 68861230, 137722460, 275444920]

約数ペア:

[(1, 275444920), (2, 137722460), (4, 68861230), (5, 55088984), (8, 34430615), (10, 27544492), (20, 13772246), (31, 8885320), (40, 6886123), (62, 4442660), (124, 2221330), (155, 1777064), (191, 1442120), (248, 1110665), (310, 888532), (382, 721060), (620, 444266), (764, 360530), (955, 288424), (1163, 236840), (1240, 222133), (1528, 180265), (1910, 144212), (2326, 118420), (3820, 72106), (4652, 59210), (5815, 47368), (5921, 46520), (7640, 36053), (9304, 29605), (11630, 23684), (11842, 23260)]