207830920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{2473}}^1$

素因数の和:2686

約数の個数: 64

約数和(自身を含む): 513008640

約数和(自身を除く): 305177720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 191, 220, 382, 440, 764, 955, 1528, 1910, 2101, 2473, 3820, 4202, 4946, 7640, 8404, 9892, 10505, 12365, 16808, 19784, 21010, 24730, 27203, 42020, 49460, 54406, 84040, 98920, 108812, 136015, 217624, 272030, 472343, 544060, 944686, 1088120, 1889372, 2361715, 3778744, 4723430, 5195773, 9446860, 10391546, 18893720, 20783092, 25978865, 41566184, 51957730, 103915460, 207830920]

約数ペア:

[(1, 207830920), (2, 103915460), (4, 51957730), (5, 41566184), (8, 25978865), (10, 20783092), (11, 18893720), (20, 10391546), (22, 9446860), (40, 5195773), (44, 4723430), (55, 3778744), (88, 2361715), (110, 1889372), (191, 1088120), (220, 944686), (382, 544060), (440, 472343), (764, 272030), (955, 217624), (1528, 136015), (1910, 108812), (2101, 98920), (2473, 84040), (3820, 54406), (4202, 49460), (4946, 42020), (7640, 27203), (8404, 24730), (9892, 21010), (10505, 19784), (12365, 16808)]