208271490

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{6317}}^1$

素因数の和:6491

約数の個数: 64

約数和(自身を含む): 574988544

約数和(自身を除く): 366717054

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 157, 210, 314, 471, 785, 942, 1099, 1570, 2198, 2355, 3297, 4710, 5495, 6317, 6594, 10990, 12634, 16485, 18951, 31585, 32970, 37902, 44219, 63170, 88438, 94755, 132657, 189510, 221095, 265314, 442190, 663285, 991769, 1326570, 1983538, 2975307, 4958845, 5950614, 6942383, 9917690, 13884766, 14876535, 20827149, 29753070, 34711915, 41654298, 69423830, 104135745, 208271490]

約数ペア:

[(1, 208271490), (2, 104135745), (3, 69423830), (5, 41654298), (6, 34711915), (7, 29753070), (10, 20827149), (14, 14876535), (15, 13884766), (21, 9917690), (30, 6942383), (35, 5950614), (42, 4958845), (70, 2975307), (105, 1983538), (157, 1326570), (210, 991769), (314, 663285), (471, 442190), (785, 265314), (942, 221095), (1099, 189510), (1570, 132657), (2198, 94755), (2355, 88438), (3297, 63170), (4710, 44219), (5495, 37902), (6317, 32970), (6594, 31585), (10990, 18951), (12634, 16485)]