38295980

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{181}}^1$

素因数の和:410

約数の個数: 48

約数和(自身を含む): 82555200

約数和(自身を除く): 44259220

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 149, 181, 284, 298, 355, 362, 596, 710, 724, 745, 905, 1420, 1490, 1810, 2980, 3620, 10579, 12851, 21158, 25702, 26969, 42316, 51404, 52895, 53938, 64255, 105790, 107876, 128510, 134845, 211580, 257020, 269690, 539380, 1914799, 3829598, 7659196, 9573995, 19147990, 38295980]

約数ペア:

[(1, 38295980), (2, 19147990), (4, 9573995), (5, 7659196), (10, 3829598), (20, 1914799), (71, 539380), (142, 269690), (149, 257020), (181, 211580), (284, 134845), (298, 128510), (355, 107876), (362, 105790), (596, 64255), (710, 53938), (724, 52895), (745, 51404), (905, 42316), (1420, 26969), (1490, 25702), (1810, 21158), (2980, 12851), (3620, 10579)]