221822740

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{2113}}^1$

素因数の和:2332

約数の個数: 48

約数和(自身を含む): 484782480

約数和(自身を除く): 262959740

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 181, 290, 362, 580, 724, 905, 1810, 2113, 3620, 4226, 5249, 8452, 10498, 10565, 20996, 21130, 26245, 42260, 52490, 61277, 104980, 122554, 245108, 306385, 382453, 612770, 764906, 1225540, 1529812, 1912265, 3824530, 7649060, 11091137, 22182274, 44364548, 55455685, 110911370, 221822740]

約数ペア:

[(1, 221822740), (2, 110911370), (4, 55455685), (5, 44364548), (10, 22182274), (20, 11091137), (29, 7649060), (58, 3824530), (116, 1912265), (145, 1529812), (181, 1225540), (290, 764906), (362, 612770), (580, 382453), (724, 306385), (905, 245108), (1810, 122554), (2113, 104980), (3620, 61277), (4226, 52490), (5249, 42260), (8452, 26245), (10498, 21130), (10565, 20996)]