201919510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{163}}^1\times {\mathrm{733}}^1$

素因数の和:929

約数の個数: 48

約数和(自身を含む): 396518544

約数和(自身を除く): 194599034

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 163, 169, 326, 338, 733, 815, 845, 1466, 1630, 1690, 2119, 3665, 4238, 7330, 9529, 10595, 19058, 21190, 27547, 47645, 55094, 95290, 119479, 123877, 137735, 238958, 247754, 275470, 597395, 619385, 1194790, 1238770, 1553227, 3106454, 7766135, 15532270, 20191951, 40383902, 100959755, 201919510]

約数ペア:

[(1, 201919510), (2, 100959755), (5, 40383902), (10, 20191951), (13, 15532270), (26, 7766135), (65, 3106454), (130, 1553227), (163, 1238770), (169, 1194790), (326, 619385), (338, 597395), (733, 275470), (815, 247754), (845, 238958), (1466, 137735), (1630, 123877), (1690, 119479), (2119, 95290), (3665, 55094), (4238, 47645), (7330, 27547), (9529, 21190), (10595, 19058)]