210801140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{179}}^1$

素因数の和:353

約数の個数: 96

約数和(自身を含む): 499685760

約数和(自身を除く): 288884620

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 53, 55, 101, 106, 110, 179, 202, 212, 220, 265, 358, 404, 505, 530, 583, 716, 895, 1010, 1060, 1111, 1166, 1790, 1969, 2020, 2222, 2332, 2915, 3580, 3938, 4444, 5353, 5555, 5830, 7876, 9487, 9845, 10706, 11110, 11660, 18079, 18974, 19690, 21412, 22220, 26765, 36158, 37948, 39380, 47435, 53530, 58883, 72316, 90395, 94870, 104357, 107060, 117766, 180790, 189740, 198869, 208714, 235532, 294415, 361580, 397738, 417428, 521785, 588830, 795476, 958187, 994345, 1043570, 1177660, 1916374, 1988690, 2087140, 3832748, 3977380, 4790935, 9581870, 10540057, 19163740, 21080114, 42160228, 52700285, 105400570, 210801140]

約数ペア:

[(1, 210801140), (2, 105400570), (4, 52700285), (5, 42160228), (10, 21080114), (11, 19163740), (20, 10540057), (22, 9581870), (44, 4790935), (53, 3977380), (55, 3832748), (101, 2087140), (106, 1988690), (110, 1916374), (179, 1177660), (202, 1043570), (212, 994345), (220, 958187), (265, 795476), (358, 588830), (404, 521785), (505, 417428), (530, 397738), (583, 361580), (716, 294415), (895, 235532), (1010, 208714), (1060, 198869), (1111, 189740), (1166, 180790), (1790, 117766), (1969, 107060), (2020, 104357), (2222, 94870), (2332, 90395), (2915, 72316), (3580, 58883), (3938, 53530), (4444, 47435), (5353, 39380), (5555, 37948), (5830, 36158), (7876, 26765), (9487, 22220), (9845, 21412), (10706, 19690), (11110, 18974), (11660, 18079)]