21480196250

素因数分解:

$2^1\times 5^4\times {\mathrm{223}}^1\times {\mathrm{263}}^1\times {\mathrm{293}}^1$

素因数の和:801

約数の個数: 80

約数和(自身を含む): 40735360512

約数和(自身を除く): 19255164262

約数列:

[1, 2, 5, 10, 25, 50, 125, 223, 250, 263, 293, 446, 526, 586, 625, 1115, 1250, 1315, 1465, 2230, 2630, 2930, 5575, 6575, 7325, 11150, 13150, 14650, 27875, 32875, 36625, 55750, 58649, 65339, 65750, 73250, 77059, 117298, 130678, 139375, 154118, 164375, 183125, 278750, 293245, 326695, 328750, 366250, 385295, 586490, 653390, 770590, 1466225, 1633475, 1926475, 2932450, 3266950, 3852950, 7331125, 8167375, 9632375, 14662250, 16334750, 17184157, 19264750, 34368314, 36655625, 40836875, 48161875, 73311250, 81673750, 85920785, 96323750, 171841570, 429603925, 859207850, 2148019625, 4296039250, 10740098125, 21480196250]

約数ペア:

[(1, 21480196250), (2, 10740098125), (5, 4296039250), (10, 2148019625), (25, 859207850), (50, 429603925), (125, 171841570), (223, 96323750), (250, 85920785), (263, 81673750), (293, 73311250), (446, 48161875), (526, 40836875), (586, 36655625), (625, 34368314), (1115, 19264750), (1250, 17184157), (1315, 16334750), (1465, 14662250), (2230, 9632375), (2630, 8167375), (2930, 7331125), (5575, 3852950), (6575, 3266950), (7325, 2932450), (11150, 1926475), (13150, 1633475), (14650, 1466225), (27875, 770590), (32875, 653390), (36625, 586490), (55750, 385295), (58649, 366250), (65339, 328750), (65750, 326695), (73250, 293245), (77059, 278750), (117298, 183125), (130678, 164375), (139375, 154118)]