2007881900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{521}}^1\times {\mathrm{2267}}^1$

素因数の和:2819

約数の個数: 72

約数和(自身を含む): 4624297776

約数和(自身を除く): 2616415876

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 340, 425, 521, 850, 1042, 1700, 2084, 2267, 2605, 4534, 5210, 8857, 9068, 10420, 11335, 13025, 17714, 22670, 26050, 35428, 38539, 44285, 45340, 52100, 56675, 77078, 88570, 113350, 154156, 177140, 192695, 221425, 226700, 385390, 442850, 770780, 885700, 963475, 1181107, 1926950, 2362214, 3853900, 4724428, 5905535, 11811070, 20078819, 23622140, 29527675, 40157638, 59055350, 80315276, 100394095, 118110700, 200788190, 401576380, 501970475, 1003940950, 2007881900]

約数ペア:

[(1, 2007881900), (2, 1003940950), (4, 501970475), (5, 401576380), (10, 200788190), (17, 118110700), (20, 100394095), (25, 80315276), (34, 59055350), (50, 40157638), (68, 29527675), (85, 23622140), (100, 20078819), (170, 11811070), (340, 5905535), (425, 4724428), (521, 3853900), (850, 2362214), (1042, 1926950), (1700, 1181107), (2084, 963475), (2267, 885700), (2605, 770780), (4534, 442850), (5210, 385390), (8857, 226700), (9068, 221425), (10420, 192695), (11335, 177140), (13025, 154156), (17714, 113350), (22670, 88570), (26050, 77078), (35428, 56675), (38539, 52100), (44285, 45340)]