2012380780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{911}}^1$

素因数の和:1099

約数の個数: 96

約数和(自身を含む): 4591883520

約数和(自身を除く): 2579502740

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 73, 85, 89, 146, 170, 178, 292, 340, 356, 365, 445, 730, 890, 911, 1241, 1460, 1513, 1780, 1822, 2482, 3026, 3644, 4555, 4964, 6052, 6205, 6497, 7565, 9110, 12410, 12994, 15130, 15487, 18220, 24820, 25988, 30260, 30974, 32485, 61948, 64970, 66503, 77435, 81079, 110449, 129940, 133006, 154870, 162158, 220898, 266012, 309740, 324316, 332515, 405395, 441796, 552245, 665030, 810790, 1104490, 1130551, 1330060, 1378343, 1621580, 2208980, 2261102, 2756686, 4522204, 5513372, 5652755, 5918767, 6891715, 11305510, 11837534, 13783430, 22611020, 23675068, 27566860, 29593835, 59187670, 100619039, 118375340, 201238078, 402476156, 503095195, 1006190390, 2012380780]

約数ペア:

[(1, 2012380780), (2, 1006190390), (4, 503095195), (5, 402476156), (10, 201238078), (17, 118375340), (20, 100619039), (34, 59187670), (68, 29593835), (73, 27566860), (85, 23675068), (89, 22611020), (146, 13783430), (170, 11837534), (178, 11305510), (292, 6891715), (340, 5918767), (356, 5652755), (365, 5513372), (445, 4522204), (730, 2756686), (890, 2261102), (911, 2208980), (1241, 1621580), (1460, 1378343), (1513, 1330060), (1780, 1130551), (1822, 1104490), (2482, 810790), (3026, 665030), (3644, 552245), (4555, 441796), (4964, 405395), (6052, 332515), (6205, 324316), (6497, 309740), (7565, 266012), (9110, 220898), (12410, 162158), (12994, 154870), (15130, 133006), (15487, 129940), (18220, 110449), (24820, 81079), (25988, 77435), (30260, 66503), (30974, 64970), (32485, 61948)]