72378980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{190471}}^1$

素因数の和:190499

約数の個数: 24

約数和(自身を含む): 159996480

約数和(自身を除く): 87617500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 190471, 380942, 761884, 952355, 1904710, 3618949, 3809420, 7237898, 14475796, 18094745, 36189490, 72378980]

約数ペア:

[(1, 72378980), (2, 36189490), (4, 18094745), (5, 14475796), (10, 7237898), (19, 3809420), (20, 3618949), (38, 1904710), (76, 952355), (95, 761884), (190, 380942), (380, 190471)]