311915500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1021}}^1$

素因数の和:1100

約数の個数: 96

約数和(自身を含む): 749968128

約数和(自身を除く): 438052628

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 47, 50, 52, 65, 94, 100, 125, 130, 188, 235, 250, 260, 325, 470, 500, 611, 650, 940, 1021, 1175, 1222, 1300, 1625, 2042, 2350, 2444, 3055, 3250, 4084, 4700, 5105, 5875, 6110, 6500, 10210, 11750, 12220, 13273, 15275, 20420, 23500, 25525, 26546, 30550, 47987, 51050, 53092, 61100, 66365, 76375, 95974, 102100, 127625, 132730, 152750, 191948, 239935, 255250, 265460, 305500, 331825, 479870, 510500, 623831, 663650, 959740, 1199675, 1247662, 1327300, 1659125, 2399350, 2495324, 3119155, 3318250, 4798700, 5998375, 6238310, 6636500, 11996750, 12476620, 15595775, 23993500, 31191550, 62383100, 77978875, 155957750, 311915500]

約数ペア:

[(1, 311915500), (2, 155957750), (4, 77978875), (5, 62383100), (10, 31191550), (13, 23993500), (20, 15595775), (25, 12476620), (26, 11996750), (47, 6636500), (50, 6238310), (52, 5998375), (65, 4798700), (94, 3318250), (100, 3119155), (125, 2495324), (130, 2399350), (188, 1659125), (235, 1327300), (250, 1247662), (260, 1199675), (325, 959740), (470, 663650), (500, 623831), (611, 510500), (650, 479870), (940, 331825), (1021, 305500), (1175, 265460), (1222, 255250), (1300, 239935), (1625, 191948), (2042, 152750), (2350, 132730), (2444, 127625), (3055, 102100), (3250, 95974), (4084, 76375), (4700, 66365), (5105, 61100), (5875, 53092), (6110, 51050), (6500, 47987), (10210, 30550), (11750, 26546), (12220, 25525), (13273, 23500), (15275, 20420)]