287413040

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{1091}}^1$

素因数の和:1230

約数の個数: 80

約数和(自身を含む): 694643040

約数和(自身を除く): 407230000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 89, 148, 178, 185, 296, 356, 370, 445, 592, 712, 740, 890, 1091, 1424, 1480, 1780, 2182, 2960, 3293, 3560, 4364, 5455, 6586, 7120, 8728, 10910, 13172, 16465, 17456, 21820, 26344, 32930, 40367, 43640, 52688, 65860, 80734, 87280, 97099, 131720, 161468, 194198, 201835, 263440, 322936, 388396, 403670, 485495, 645872, 776792, 807340, 970990, 1553584, 1614680, 1941980, 3229360, 3592663, 3883960, 7185326, 7767920, 14370652, 17963315, 28741304, 35926630, 57482608, 71853260, 143706520, 287413040]

約数ペア:

[(1, 287413040), (2, 143706520), (4, 71853260), (5, 57482608), (8, 35926630), (10, 28741304), (16, 17963315), (20, 14370652), (37, 7767920), (40, 7185326), (74, 3883960), (80, 3592663), (89, 3229360), (148, 1941980), (178, 1614680), (185, 1553584), (296, 970990), (356, 807340), (370, 776792), (445, 645872), (592, 485495), (712, 403670), (740, 388396), (890, 322936), (1091, 263440), (1424, 201835), (1480, 194198), (1780, 161468), (2182, 131720), (2960, 97099), (3293, 87280), (3560, 80734), (4364, 65860), (5455, 52688), (6586, 43640), (7120, 40367), (8728, 32930), (10910, 26344), (13172, 21820), (16465, 17456)]