289605160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{42841}}^1$

素因数の和:42878

約数の個数: 48

約数和(自身を含む): 705607740

約数和(自身を除く): 416002580

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 6760, 42841, 85682, 171364, 214205, 342728, 428410, 556933, 856820, 1113866, 1713640, 2227732, 2784665, 4455464, 5569330, 7240129, 11138660, 14480258, 22277320, 28960516, 36200645, 57921032, 72401290, 144802580, 289605160]

約数ペア:

[(1, 289605160), (2, 144802580), (4, 72401290), (5, 57921032), (8, 36200645), (10, 28960516), (13, 22277320), (20, 14480258), (26, 11138660), (40, 7240129), (52, 5569330), (65, 4455464), (104, 2784665), (130, 2227732), (169, 1713640), (260, 1113866), (338, 856820), (520, 556933), (676, 428410), (845, 342728), (1352, 214205), (1690, 171364), (3380, 85682), (6760, 42841)]