251012625

素因数分解:

$3^1\times 5^3\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{229}}^1$

素因数の和:363

約数の個数: 64

約数和(自身を含む): 436300800

約数和(自身を除く): 185288175

約数列:

[1, 3, 5, 15, 25, 37, 75, 79, 111, 125, 185, 229, 237, 375, 395, 555, 687, 925, 1145, 1185, 1975, 2775, 2923, 3435, 4625, 5725, 5925, 8473, 8769, 9875, 13875, 14615, 17175, 18091, 25419, 28625, 29625, 42365, 43845, 54273, 73075, 85875, 90455, 127095, 211825, 219225, 271365, 365375, 452275, 635475, 669367, 1059125, 1096125, 1356825, 2008101, 2261375, 3177375, 3346835, 6784125, 10040505, 16734175, 50202525, 83670875, 251012625]

約数ペア:

[(1, 251012625), (3, 83670875), (5, 50202525), (15, 16734175), (25, 10040505), (37, 6784125), (75, 3346835), (79, 3177375), (111, 2261375), (125, 2008101), (185, 1356825), (229, 1096125), (237, 1059125), (375, 669367), (395, 635475), (555, 452275), (687, 365375), (925, 271365), (1145, 219225), (1185, 211825), (1975, 127095), (2775, 90455), (2923, 85875), (3435, 73075), (4625, 54273), (5725, 43845), (5925, 42365), (8473, 29625), (8769, 28625), (9875, 25419), (13875, 18091), (14615, 17175)]