217282966420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{2205023}}^1$

素因数の和:2205424

約数の個数: 48

約数和(自身を含む): 492690562560

約数和(自身を除く): 275407596140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 379, 758, 1516, 1895, 3790, 4927, 7580, 9854, 19708, 24635, 49270, 98540, 2205023, 4410046, 8820092, 11025115, 22050230, 28665299, 44100460, 57330598, 114661196, 143326495, 286652990, 573305980, 835703717, 1671407434, 3342814868, 4178518585, 8357037170, 10864148321, 16714074340, 21728296642, 43456593284, 54320741605, 108641483210, 217282966420]

約数ペア:

[(1, 217282966420), (2, 108641483210), (4, 54320741605), (5, 43456593284), (10, 21728296642), (13, 16714074340), (20, 10864148321), (26, 8357037170), (52, 4178518585), (65, 3342814868), (130, 1671407434), (260, 835703717), (379, 573305980), (758, 286652990), (1516, 143326495), (1895, 114661196), (3790, 57330598), (4927, 44100460), (7580, 28665299), (9854, 22050230), (19708, 11025115), (24635, 8820092), (49270, 4410046), (98540, 2205023)]