140489420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{369709}}^1$

素因数の和:369737

約数の個数: 24

約数和(自身を含む): 310556400

約数和(自身を除く): 170066980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 369709, 739418, 1478836, 1848545, 3697090, 7024471, 7394180, 14048942, 28097884, 35122355, 70244710, 140489420]

約数ペア:

[(1, 140489420), (2, 70244710), (4, 35122355), (5, 28097884), (10, 14048942), (19, 7394180), (20, 7024471), (38, 3697090), (76, 1848545), (95, 1478836), (190, 739418), (380, 369709)]