31881290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{367}}^1$

素因数の和:471

約数の個数: 64

約数和(自身を含む): 70585344

約数和(自身を除く): 38704054

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 73, 85, 119, 146, 170, 238, 365, 367, 511, 595, 730, 734, 1022, 1190, 1241, 1835, 2482, 2555, 2569, 3670, 5110, 5138, 6205, 6239, 8687, 12410, 12478, 12845, 17374, 25690, 26791, 31195, 43435, 43673, 53582, 62390, 86870, 87346, 133955, 187537, 218365, 267910, 375074, 436730, 455447, 910894, 937685, 1875370, 2277235, 3188129, 4554470, 6376258, 15940645, 31881290]

約数ペア:

[(1, 31881290), (2, 15940645), (5, 6376258), (7, 4554470), (10, 3188129), (14, 2277235), (17, 1875370), (34, 937685), (35, 910894), (70, 455447), (73, 436730), (85, 375074), (119, 267910), (146, 218365), (170, 187537), (238, 133955), (365, 87346), (367, 86870), (511, 62390), (595, 53582), (730, 43673), (734, 43435), (1022, 31195), (1190, 26791), (1241, 25690), (1835, 17374), (2482, 12845), (2555, 12478), (2569, 12410), (3670, 8687), (5110, 6239), (5138, 6205)]