255655450

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{8681}}^1$

素因数の和:8743

約数の個数: 48

約数和(自身を含む): 516752640

約数和(自身を除く): 261097190

約数列:

[1, 2, 5, 10, 19, 25, 31, 38, 50, 62, 95, 155, 190, 310, 475, 589, 775, 950, 1178, 1550, 2945, 5890, 8681, 14725, 17362, 29450, 43405, 86810, 164939, 217025, 269111, 329878, 434050, 538222, 824695, 1345555, 1649390, 2691110, 4123475, 5113109, 6727775, 8246950, 10226218, 13455550, 25565545, 51131090, 127827725, 255655450]

約数ペア:

[(1, 255655450), (2, 127827725), (5, 51131090), (10, 25565545), (19, 13455550), (25, 10226218), (31, 8246950), (38, 6727775), (50, 5113109), (62, 4123475), (95, 2691110), (155, 1649390), (190, 1345555), (310, 824695), (475, 538222), (589, 434050), (775, 329878), (950, 269111), (1178, 217025), (1550, 164939), (2945, 86810), (5890, 43405), (8681, 29450), (14725, 17362)]