431179420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{223}}^1\times {\mathrm{1973}}^1$

素因数の和:2219

約数の個数: 72

約数和(自身を含む): 1058569344

約数和(自身を除く): 627389924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 223, 245, 446, 490, 892, 980, 1115, 1561, 1973, 2230, 3122, 3946, 4460, 6244, 7805, 7892, 9865, 10927, 13811, 15610, 19730, 21854, 27622, 31220, 39460, 43708, 54635, 55244, 69055, 96677, 109270, 138110, 193354, 218540, 276220, 386708, 439979, 483385, 879958, 966770, 1759916, 1933540, 2199895, 3079853, 4399790, 6159706, 8799580, 12319412, 15399265, 21558971, 30798530, 43117942, 61597060, 86235884, 107794855, 215589710, 431179420]

約数ペア:

[(1, 431179420), (2, 215589710), (4, 107794855), (5, 86235884), (7, 61597060), (10, 43117942), (14, 30798530), (20, 21558971), (28, 15399265), (35, 12319412), (49, 8799580), (70, 6159706), (98, 4399790), (140, 3079853), (196, 2199895), (223, 1933540), (245, 1759916), (446, 966770), (490, 879958), (892, 483385), (980, 439979), (1115, 386708), (1561, 276220), (1973, 218540), (2230, 193354), (3122, 138110), (3946, 109270), (4460, 96677), (6244, 69055), (7805, 55244), (7892, 54635), (9865, 43708), (10927, 39460), (13811, 31220), (15610, 27622), (19730, 21854)]