218140520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{22079}}^1$

素因数の和:22122

約数の個数: 64

約数和(自身を含む): 556416000

約数和(自身を除く): 338275480

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 9880, 22079, 44158, 88316, 110395, 176632, 220790, 287027, 419501, 441580, 574054, 839002, 883160, 1148108, 1435135, 1678004, 2097505, 2296216, 2870270, 3356008, 4195010, 5453513, 5740540, 8390020, 10907026, 11481080, 16780040, 21814052, 27267565, 43628104, 54535130, 109070260, 218140520]

約数ペア:

[(1, 218140520), (2, 109070260), (4, 54535130), (5, 43628104), (8, 27267565), (10, 21814052), (13, 16780040), (19, 11481080), (20, 10907026), (26, 8390020), (38, 5740540), (40, 5453513), (52, 4195010), (65, 3356008), (76, 2870270), (95, 2296216), (104, 2097505), (130, 1678004), (152, 1435135), (190, 1148108), (247, 883160), (260, 839002), (380, 574054), (494, 441580), (520, 419501), (760, 287027), (988, 220790), (1235, 176632), (1976, 110395), (2470, 88316), (4940, 44158), (9880, 22079)]