220239978

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{2477}}^1$

素因数の和:2591

約数の個数: 64

約数和(自身を含む): 528111360

約数和(自身を除く): 307871382

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 73, 87, 146, 174, 203, 219, 406, 438, 511, 609, 1022, 1218, 1533, 2117, 2477, 3066, 4234, 4954, 6351, 7431, 12702, 14819, 14862, 17339, 29638, 34678, 44457, 52017, 71833, 88914, 104034, 143666, 180821, 215499, 361642, 430998, 502831, 542463, 1005662, 1084926, 1265747, 1508493, 2531494, 3016986, 3797241, 5243809, 7594482, 10487618, 15731427, 31462854, 36706663, 73413326, 110119989, 220239978]

約数ペア:

[(1, 220239978), (2, 110119989), (3, 73413326), (6, 36706663), (7, 31462854), (14, 15731427), (21, 10487618), (29, 7594482), (42, 5243809), (58, 3797241), (73, 3016986), (87, 2531494), (146, 1508493), (174, 1265747), (203, 1084926), (219, 1005662), (406, 542463), (438, 502831), (511, 430998), (609, 361642), (1022, 215499), (1218, 180821), (1533, 143666), (2117, 104034), (2477, 88914), (3066, 71833), (4234, 52017), (4954, 44457), (6351, 34678), (7431, 29638), (12702, 17339), (14819, 14862)]