2045304875

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{251}}^1$

素因数の和:405

約数の個数: 64

約数和(自身を含む): 2792724480

約数和(自身を除く): 747419605

約数列:

[1, 5, 19, 25, 47, 73, 95, 125, 235, 251, 365, 475, 893, 1175, 1255, 1387, 1825, 2375, 3431, 4465, 4769, 5875, 6275, 6935, 9125, 11797, 17155, 18323, 22325, 23845, 31375, 34675, 58985, 65189, 85775, 91615, 111625, 119225, 173375, 224143, 294925, 325945, 348137, 428875, 458075, 596125, 861181, 1120715, 1474625, 1629725, 1740685, 2290375, 4305905, 5603575, 8148625, 8703425, 16362439, 21529525, 28017875, 43517125, 81812195, 107647625, 409060975, 2045304875]

約数ペア:

[(1, 2045304875), (5, 409060975), (19, 107647625), (25, 81812195), (47, 43517125), (73, 28017875), (95, 21529525), (125, 16362439), (235, 8703425), (251, 8148625), (365, 5603575), (475, 4305905), (893, 2290375), (1175, 1740685), (1255, 1629725), (1387, 1474625), (1825, 1120715), (2375, 861181), (3431, 596125), (4465, 458075), (4769, 428875), (5875, 348137), (6275, 325945), (6935, 294925), (9125, 224143), (11797, 173375), (17155, 119225), (18323, 111625), (22325, 91615), (23845, 85775), (31375, 65189), (34675, 58985)]