276913520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{1787}}^1$

素因数の和:1962

約数の個数: 80

約数和(自身を含む): 698392800

約数和(自身を除く): 421479280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 149, 208, 260, 298, 520, 596, 745, 1040, 1192, 1490, 1787, 1937, 2384, 2980, 3574, 3874, 5960, 7148, 7748, 8935, 9685, 11920, 14296, 15496, 17870, 19370, 23231, 28592, 30992, 35740, 38740, 46462, 71480, 77480, 92924, 116155, 142960, 154960, 185848, 232310, 266263, 371696, 464620, 532526, 929240, 1065052, 1331315, 1858480, 2130104, 2662630, 3461419, 4260208, 5325260, 6922838, 10650520, 13845676, 17307095, 21301040, 27691352, 34614190, 55382704, 69228380, 138456760, 276913520]

約数ペア:

[(1, 276913520), (2, 138456760), (4, 69228380), (5, 55382704), (8, 34614190), (10, 27691352), (13, 21301040), (16, 17307095), (20, 13845676), (26, 10650520), (40, 6922838), (52, 5325260), (65, 4260208), (80, 3461419), (104, 2662630), (130, 2130104), (149, 1858480), (208, 1331315), (260, 1065052), (298, 929240), (520, 532526), (596, 464620), (745, 371696), (1040, 266263), (1192, 232310), (1490, 185848), (1787, 154960), (1937, 142960), (2384, 116155), (2980, 92924), (3574, 77480), (3874, 71480), (5960, 46462), (7148, 38740), (7748, 35740), (8935, 30992), (9685, 28592), (11920, 23231), (14296, 19370), (15496, 17870)]