1230236875

素因数分解:

$5^4\times 7^2\times {\mathrm{17}}^2\times {\mathrm{139}}^1$

素因数の和:207

約数の個数: 90

約数和(自身を含む): 1913340660

約数和(自身を除く): 683103785

約数列:

[1, 5, 7, 17, 25, 35, 49, 85, 119, 125, 139, 175, 245, 289, 425, 595, 625, 695, 833, 875, 973, 1225, 1445, 2023, 2125, 2363, 2975, 3475, 4165, 4375, 4865, 6125, 6811, 7225, 10115, 10625, 11815, 14161, 14875, 16541, 17375, 20825, 24325, 30625, 34055, 36125, 40171, 50575, 59075, 70805, 74375, 82705, 86875, 104125, 115787, 121625, 170275, 180625, 200855, 252875, 281197, 295375, 354025, 413525, 520625, 578935, 608125, 851375, 1004275, 1264375, 1405985, 1476875, 1770125, 1968379, 2067625, 2894675, 4256875, 5021375, 7029925, 8850625, 9841895, 10338125, 14473375, 25106875, 35149625, 49209475, 72366875, 175748125, 246047375, 1230236875]

約数ペア:

[(1, 1230236875), (5, 246047375), (7, 175748125), (17, 72366875), (25, 49209475), (35, 35149625), (49, 25106875), (85, 14473375), (119, 10338125), (125, 9841895), (139, 8850625), (175, 7029925), (245, 5021375), (289, 4256875), (425, 2894675), (595, 2067625), (625, 1968379), (695, 1770125), (833, 1476875), (875, 1405985), (973, 1264375), (1225, 1004275), (1445, 851375), (2023, 608125), (2125, 578935), (2363, 520625), (2975, 413525), (3475, 354025), (4165, 295375), (4375, 281197), (4865, 252875), (6125, 200855), (6811, 180625), (7225, 170275), (10115, 121625), (10625, 115787), (11815, 104125), (14161, 86875), (14875, 82705), (16541, 74375), (17375, 70805), (20825, 59075), (24325, 50575), (30625, 40171), (34055, 36125)]