492705980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{145771}}^1$

素因数の和:145806

約数の個数: 36

約数和(自身を含む): 1120403592

約数和(自身を除く): 627697612

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 145771, 291542, 583084, 728855, 1457710, 1895023, 2915420, 3790046, 7580092, 9475115, 18950230, 24635299, 37900460, 49270598, 98541196, 123176495, 246352990, 492705980]

約数ペア:

[(1, 492705980), (2, 246352990), (4, 123176495), (5, 98541196), (10, 49270598), (13, 37900460), (20, 24635299), (26, 18950230), (52, 9475115), (65, 7580092), (130, 3790046), (169, 2915420), (260, 1895023), (338, 1457710), (676, 728855), (845, 583084), (1690, 291542), (3380, 145771)]