1888157375

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{389}}^1$

素因数の和:549

約数の個数: 64

約数和(自身を含む): 2657491200

約数和(自身を除く): 769333825

約数列:

[1, 5, 13, 25, 29, 65, 103, 125, 145, 325, 377, 389, 515, 725, 1339, 1625, 1885, 1945, 2575, 2987, 3625, 5057, 6695, 9425, 9725, 11281, 12875, 14935, 25285, 33475, 38831, 40067, 47125, 48625, 56405, 74675, 126425, 146653, 167375, 194155, 200335, 282025, 373375, 520871, 632125, 733265, 970775, 1001675, 1161943, 1410125, 2604355, 3666325, 4853875, 5008375, 5809715, 13021775, 15105259, 18331625, 29048575, 65108875, 75526295, 145242875, 377631475, 1888157375]

約数ペア:

[(1, 1888157375), (5, 377631475), (13, 145242875), (25, 75526295), (29, 65108875), (65, 29048575), (103, 18331625), (125, 15105259), (145, 13021775), (325, 5809715), (377, 5008375), (389, 4853875), (515, 3666325), (725, 2604355), (1339, 1410125), (1625, 1161943), (1885, 1001675), (1945, 970775), (2575, 733265), (2987, 632125), (3625, 520871), (5057, 373375), (6695, 282025), (9425, 200335), (9725, 194155), (11281, 167375), (12875, 146653), (14935, 126425), (25285, 74675), (33475, 56405), (38831, 48625), (40067, 47125)]