201943820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{26783}}^1$

素因数の和:26834

約数の個数: 48

約数和(自身を含む): 472469760

約数和(自身を除く): 270525940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 1508, 1885, 3770, 7540, 26783, 53566, 107132, 133915, 267830, 348179, 535660, 696358, 776707, 1392716, 1553414, 1740895, 3106828, 3481790, 3883535, 6963580, 7767070, 10097191, 15534140, 20194382, 40388764, 50485955, 100971910, 201943820]

約数ペア:

[(1, 201943820), (2, 100971910), (4, 50485955), (5, 40388764), (10, 20194382), (13, 15534140), (20, 10097191), (26, 7767070), (29, 6963580), (52, 3883535), (58, 3481790), (65, 3106828), (116, 1740895), (130, 1553414), (145, 1392716), (260, 776707), (290, 696358), (377, 535660), (580, 348179), (754, 267830), (1508, 133915), (1885, 107132), (3770, 53566), (7540, 26783)]