28833100

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:247

約数の個数: 72

約数和(自身を含む): 65995776

約数和(自身を除く): 37162676

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 71, 100, 124, 131, 142, 155, 262, 284, 310, 355, 524, 620, 655, 710, 775, 1310, 1420, 1550, 1775, 2201, 2620, 3100, 3275, 3550, 4061, 4402, 6550, 7100, 8122, 8804, 9301, 11005, 13100, 16244, 18602, 20305, 22010, 37204, 40610, 44020, 46505, 55025, 81220, 93010, 101525, 110050, 186020, 203050, 220100, 232525, 288331, 406100, 465050, 576662, 930100, 1153324, 1441655, 2883310, 5766620, 7208275, 14416550, 28833100]

約数ペア:

[(1, 28833100), (2, 14416550), (4, 7208275), (5, 5766620), (10, 2883310), (20, 1441655), (25, 1153324), (31, 930100), (50, 576662), (62, 465050), (71, 406100), (100, 288331), (124, 232525), (131, 220100), (142, 203050), (155, 186020), (262, 110050), (284, 101525), (310, 93010), (355, 81220), (524, 55025), (620, 46505), (655, 44020), (710, 40610), (775, 37204), (1310, 22010), (1420, 20305), (1550, 18602), (1775, 16244), (2201, 13100), (2620, 11005), (3100, 9301), (3275, 8804), (3550, 8122), (4061, 7100), (4402, 6550)]