531036700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{1009}}^1$

素因数の和:1319

約数の個数: 72

約数和(自身を含む): 1218585200

約数和(自身を除く): 687548500

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 277, 380, 475, 554, 950, 1009, 1108, 1385, 1900, 2018, 2770, 4036, 5045, 5263, 5540, 6925, 10090, 10526, 13850, 19171, 20180, 21052, 25225, 26315, 27700, 38342, 50450, 52630, 76684, 95855, 100900, 105260, 131575, 191710, 263150, 279493, 383420, 479275, 526300, 558986, 958550, 1117972, 1397465, 1917100, 2794930, 5310367, 5589860, 6987325, 10620734, 13974650, 21241468, 26551835, 27949300, 53103670, 106207340, 132759175, 265518350, 531036700]

約数ペア:

[(1, 531036700), (2, 265518350), (4, 132759175), (5, 106207340), (10, 53103670), (19, 27949300), (20, 26551835), (25, 21241468), (38, 13974650), (50, 10620734), (76, 6987325), (95, 5589860), (100, 5310367), (190, 2794930), (277, 1917100), (380, 1397465), (475, 1117972), (554, 958550), (950, 558986), (1009, 526300), (1108, 479275), (1385, 383420), (1900, 279493), (2018, 263150), (2770, 191710), (4036, 131575), (5045, 105260), (5263, 100900), (5540, 95855), (6925, 76684), (10090, 52630), (10526, 50450), (13850, 38342), (19171, 27700), (20180, 26315), (21052, 25225)]