529582780

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{271}}^1\times {\mathrm{491}}^1$

素因数の和:970

約数の個数: 48

約数和(自身を含む): 1124121600

約数和(自身を除く): 594538820

約数列:

[1, 2, 4, 5, 10, 20, 199, 271, 398, 491, 542, 796, 982, 995, 1084, 1355, 1964, 1990, 2455, 2710, 3980, 4910, 5420, 9820, 53929, 97709, 107858, 133061, 195418, 215716, 266122, 269645, 390836, 488545, 532244, 539290, 665305, 977090, 1078580, 1330610, 1954180, 2661220, 26479139, 52958278, 105916556, 132395695, 264791390, 529582780]

約数ペア:

[(1, 529582780), (2, 264791390), (4, 132395695), (5, 105916556), (10, 52958278), (20, 26479139), (199, 2661220), (271, 1954180), (398, 1330610), (491, 1078580), (542, 977090), (796, 665305), (982, 539290), (995, 532244), (1084, 488545), (1355, 390836), (1964, 269645), (1990, 266122), (2455, 215716), (2710, 195418), (3980, 133061), (4910, 107858), (5420, 97709), (9820, 53929)]