228775580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{239}}^1$

素因数の和:507

約数の個数: 96

約数和(自身を含む): 556416000

約数和(自身を除く): 327640420

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 229, 239, 380, 418, 458, 478, 836, 916, 956, 1045, 1145, 1195, 2090, 2290, 2390, 2519, 2629, 4180, 4351, 4541, 4580, 4780, 5038, 5258, 8702, 9082, 10076, 10516, 12595, 13145, 17404, 18164, 21755, 22705, 25190, 26290, 43510, 45410, 47861, 49951, 50380, 52580, 54731, 87020, 90820, 95722, 99902, 109462, 191444, 199804, 218924, 239305, 249755, 273655, 478610, 499510, 547310, 602041, 957220, 999020, 1039889, 1094620, 1204082, 2079778, 2408164, 3010205, 4159556, 5199445, 6020410, 10398890, 11438779, 12040820, 20797780, 22877558, 45755116, 57193895, 114387790, 228775580]

約数ペア:

[(1, 228775580), (2, 114387790), (4, 57193895), (5, 45755116), (10, 22877558), (11, 20797780), (19, 12040820), (20, 11438779), (22, 10398890), (38, 6020410), (44, 5199445), (55, 4159556), (76, 3010205), (95, 2408164), (110, 2079778), (190, 1204082), (209, 1094620), (220, 1039889), (229, 999020), (239, 957220), (380, 602041), (418, 547310), (458, 499510), (478, 478610), (836, 273655), (916, 249755), (956, 239305), (1045, 218924), (1145, 199804), (1195, 191444), (2090, 109462), (2290, 99902), (2390, 95722), (2519, 90820), (2629, 87020), (4180, 54731), (4351, 52580), (4541, 50380), (4580, 49951), (4780, 47861), (5038, 45410), (5258, 43510), (8702, 26290), (9082, 25190), (10076, 22705), (10516, 21755), (12595, 18164), (13145, 17404)]