83995780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{569}}^1$

素因数の和:661

約数の個数: 72

約数和(自身を含む): 197409240

約数和(自身を除く): 113413460

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 121, 122, 220, 242, 244, 305, 484, 569, 605, 610, 671, 1138, 1210, 1220, 1342, 2276, 2420, 2684, 2845, 3355, 5690, 6259, 6710, 7381, 11380, 12518, 13420, 14762, 25036, 29524, 31295, 34709, 36905, 62590, 68849, 69418, 73810, 125180, 137698, 138836, 147620, 173545, 275396, 344245, 347090, 381799, 688490, 694180, 763598, 1376980, 1527196, 1908995, 3817990, 4199789, 7635980, 8399578, 16799156, 20998945, 41997890, 83995780]

約数ペア:

[(1, 83995780), (2, 41997890), (4, 20998945), (5, 16799156), (10, 8399578), (11, 7635980), (20, 4199789), (22, 3817990), (44, 1908995), (55, 1527196), (61, 1376980), (110, 763598), (121, 694180), (122, 688490), (220, 381799), (242, 347090), (244, 344245), (305, 275396), (484, 173545), (569, 147620), (605, 138836), (610, 137698), (671, 125180), (1138, 73810), (1210, 69418), (1220, 68849), (1342, 62590), (2276, 36905), (2420, 34709), (2684, 31295), (2845, 29524), (3355, 25036), (5690, 14762), (6259, 13420), (6710, 12518), (7381, 11380)]