2531150

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:137

約数の個数: 48

約数和(自身を含む): 5142528

約数和(自身を除く): 2611378

約数列:

[1, 2, 5, 10, 23, 25, 31, 46, 50, 62, 71, 115, 142, 155, 230, 310, 355, 575, 710, 713, 775, 1150, 1426, 1550, 1633, 1775, 2201, 3266, 3550, 3565, 4402, 7130, 8165, 11005, 16330, 17825, 22010, 35650, 40825, 50623, 55025, 81650, 101246, 110050, 253115, 506230, 1265575, 2531150]

約数ペア:

[(1, 2531150), (2, 1265575), (5, 506230), (10, 253115), (23, 110050), (25, 101246), (31, 81650), (46, 55025), (50, 50623), (62, 40825), (71, 35650), (115, 22010), (142, 17825), (155, 16330), (230, 11005), (310, 8165), (355, 7130), (575, 4402), (710, 3565), (713, 3550), (775, 3266), (1150, 2201), (1426, 1775), (1550, 1633)]