31240250

素因数分解:

$2^1\times 5^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:216

約数の個数: 64

約数和(自身を含む): 62899200

約数和(自身を除く): 31658950

約数列:

[1, 2, 5, 10, 25, 29, 31, 50, 58, 62, 125, 139, 145, 155, 250, 278, 290, 310, 695, 725, 775, 899, 1390, 1450, 1550, 1798, 3475, 3625, 3875, 4031, 4309, 4495, 6950, 7250, 7750, 8062, 8618, 8990, 17375, 20155, 21545, 22475, 34750, 40310, 43090, 44950, 100775, 107725, 112375, 124961, 201550, 215450, 224750, 249922, 503875, 538625, 624805, 1007750, 1077250, 1249610, 3124025, 6248050, 15620125, 31240250]

約数ペア:

[(1, 31240250), (2, 15620125), (5, 6248050), (10, 3124025), (25, 1249610), (29, 1077250), (31, 1007750), (50, 624805), (58, 538625), (62, 503875), (125, 249922), (139, 224750), (145, 215450), (155, 201550), (250, 124961), (278, 112375), (290, 107725), (310, 100775), (695, 44950), (725, 43090), (775, 40310), (899, 34750), (1390, 22475), (1450, 21545), (1550, 20155), (1798, 17375), (3475, 8990), (3625, 8618), (3875, 8062), (4031, 7750), (4309, 7250), (4495, 6950)]