2108796625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{613}}^1$

素因数の和:743

約数の個数: 64

約数和(自身を含む): 2976966720

約数和(自身を除く): 868170095

約数列:

[1, 5, 13, 25, 29, 65, 73, 125, 145, 325, 365, 377, 613, 725, 949, 1625, 1825, 1885, 2117, 3065, 3625, 4745, 7969, 9125, 9425, 10585, 15325, 17777, 23725, 27521, 39845, 44749, 47125, 52925, 76625, 88885, 118625, 137605, 199225, 223745, 231101, 264625, 444425, 581737, 688025, 996125, 1118725, 1155505, 1297721, 2222125, 2908685, 3440125, 5593625, 5777525, 6488605, 14543425, 16870373, 28887625, 32443025, 72717125, 84351865, 162215125, 421759325, 2108796625]

約数ペア:

[(1, 2108796625), (5, 421759325), (13, 162215125), (25, 84351865), (29, 72717125), (65, 32443025), (73, 28887625), (125, 16870373), (145, 14543425), (325, 6488605), (365, 5777525), (377, 5593625), (613, 3440125), (725, 2908685), (949, 2222125), (1625, 1297721), (1825, 1155505), (1885, 1118725), (2117, 996125), (3065, 688025), (3625, 581737), (4745, 444425), (7969, 264625), (9125, 231101), (9425, 223745), (10585, 199225), (15325, 137605), (17777, 118625), (23725, 88885), (27521, 76625), (39845, 52925), (44749, 47125)]