1266350

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:105

約数の個数: 48

約数和(自身を含む): 2618880

約数和(自身を除く): 1352530

約数列:

[1, 2, 5, 10, 19, 25, 31, 38, 43, 50, 62, 86, 95, 155, 190, 215, 310, 430, 475, 589, 775, 817, 950, 1075, 1178, 1333, 1550, 1634, 2150, 2666, 2945, 4085, 5890, 6665, 8170, 13330, 14725, 20425, 25327, 29450, 33325, 40850, 50654, 66650, 126635, 253270, 633175, 1266350]

約数ペア:

[(1, 1266350), (2, 633175), (5, 253270), (10, 126635), (19, 66650), (25, 50654), (31, 40850), (38, 33325), (43, 29450), (50, 25327), (62, 20425), (86, 14725), (95, 13330), (155, 8170), (190, 6665), (215, 5890), (310, 4085), (430, 2945), (475, 2666), (589, 2150), (775, 1634), (817, 1550), (950, 1333), (1075, 1178)]