7887964900

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{997}}^1\times {\mathrm{1297}}^1$

素因数の和:2369

約数の個数: 72

約数和(自身を含む): 17428365416

約数和(自身を除く): 9540400516

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 244, 305, 610, 997, 1220, 1297, 1525, 1994, 2594, 3050, 3988, 4985, 5188, 6100, 6485, 9970, 12970, 19940, 24925, 25940, 32425, 49850, 60817, 64850, 79117, 99700, 121634, 129700, 158234, 243268, 304085, 316468, 395585, 608170, 791170, 1216340, 1293109, 1520425, 1582340, 1977925, 2586218, 3040850, 3955850, 5172436, 6081700, 6465545, 7911700, 12931090, 25862180, 32327725, 64655450, 78879649, 129310900, 157759298, 315518596, 394398245, 788796490, 1577592980, 1971991225, 3943982450, 7887964900]

約数ペア:

[(1, 7887964900), (2, 3943982450), (4, 1971991225), (5, 1577592980), (10, 788796490), (20, 394398245), (25, 315518596), (50, 157759298), (61, 129310900), (100, 78879649), (122, 64655450), (244, 32327725), (305, 25862180), (610, 12931090), (997, 7911700), (1220, 6465545), (1297, 6081700), (1525, 5172436), (1994, 3955850), (2594, 3040850), (3050, 2586218), (3988, 1977925), (4985, 1582340), (5188, 1520425), (6100, 1293109), (6485, 1216340), (9970, 791170), (12970, 608170), (19940, 395585), (24925, 316468), (25940, 304085), (32425, 243268), (49850, 158234), (60817, 129700), (64850, 121634), (79117, 99700)]