71212290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{499}}^1$

素因数の和:647

約数の個数: 64

約数和(自身を含む): 176256000

約数和(自身を除く): 105043710

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 67, 71, 134, 142, 201, 213, 335, 355, 402, 426, 499, 670, 710, 998, 1005, 1065, 1497, 2010, 2130, 2495, 2994, 4757, 4990, 7485, 9514, 14271, 14970, 23785, 28542, 33433, 35429, 47570, 66866, 70858, 71355, 100299, 106287, 142710, 167165, 177145, 200598, 212574, 334330, 354290, 501495, 531435, 1002990, 1062870, 2373743, 4747486, 7121229, 11868715, 14242458, 23737430, 35606145, 71212290]

約数ペア:

[(1, 71212290), (2, 35606145), (3, 23737430), (5, 14242458), (6, 11868715), (10, 7121229), (15, 4747486), (30, 2373743), (67, 1062870), (71, 1002990), (134, 531435), (142, 501495), (201, 354290), (213, 334330), (335, 212574), (355, 200598), (402, 177145), (426, 167165), (499, 142710), (670, 106287), (710, 100299), (998, 71355), (1005, 70858), (1065, 66866), (1497, 47570), (2010, 35429), (2130, 33433), (2495, 28542), (2994, 23785), (4757, 14970), (4990, 14271), (7485, 9514)]