913305040

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1\times {\mathrm{1291}}^1$

素因数の和:1580

約数の個数: 80

約数和(自身を含む): 2191645440

約数和(自身を除く): 1278340400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 239, 296, 370, 478, 592, 740, 956, 1195, 1291, 1480, 1912, 2390, 2582, 2960, 3824, 4780, 5164, 6455, 8843, 9560, 10328, 12910, 17686, 19120, 20656, 25820, 35372, 44215, 47767, 51640, 70744, 88430, 95534, 103280, 141488, 176860, 191068, 238835, 308549, 353720, 382136, 477670, 617098, 707440, 764272, 955340, 1234196, 1542745, 1910680, 2468392, 3085490, 3821360, 4936784, 6170980, 11416313, 12341960, 22832626, 24683920, 45665252, 57081565, 91330504, 114163130, 182661008, 228326260, 456652520, 913305040]

約数ペア:

[(1, 913305040), (2, 456652520), (4, 228326260), (5, 182661008), (8, 114163130), (10, 91330504), (16, 57081565), (20, 45665252), (37, 24683920), (40, 22832626), (74, 12341960), (80, 11416313), (148, 6170980), (185, 4936784), (239, 3821360), (296, 3085490), (370, 2468392), (478, 1910680), (592, 1542745), (740, 1234196), (956, 955340), (1195, 764272), (1291, 707440), (1480, 617098), (1912, 477670), (2390, 382136), (2582, 353720), (2960, 308549), (3824, 238835), (4780, 191068), (5164, 176860), (6455, 141488), (8843, 103280), (9560, 95534), (10328, 88430), (12910, 70744), (17686, 51640), (19120, 47767), (20656, 44215), (25820, 35372)]