251017240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{369143}}^1$

素因数の和:369171

約数の個数: 32

約数和(自身を含む): 598013280

約数和(自身を除く): 346996040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 369143, 738286, 1476572, 1845715, 2953144, 3691430, 6275431, 7382860, 12550862, 14765720, 25101724, 31377155, 50203448, 62754310, 125508620, 251017240]

約数ペア:

[(1, 251017240), (2, 125508620), (4, 62754310), (5, 50203448), (8, 31377155), (10, 25101724), (17, 14765720), (20, 12550862), (34, 7382860), (40, 6275431), (68, 3691430), (85, 2953144), (136, 1845715), (170, 1476572), (340, 738286), (680, 369143)]