210207920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1889}}^1$

素因数の和:2022

約数の個数: 80

約数和(自身を含む): 531528480

約数和(自身を除く): 321320560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 107, 130, 208, 214, 260, 428, 520, 535, 856, 1040, 1070, 1391, 1712, 1889, 2140, 2782, 3778, 4280, 5564, 6955, 7556, 8560, 9445, 11128, 13910, 15112, 18890, 22256, 24557, 27820, 30224, 37780, 49114, 55640, 75560, 98228, 111280, 122785, 151120, 196456, 202123, 245570, 392912, 404246, 491140, 808492, 982280, 1010615, 1616984, 1964560, 2021230, 2627599, 3233968, 4042460, 5255198, 8084920, 10510396, 13137995, 16169840, 21020792, 26275990, 42041584, 52551980, 105103960, 210207920]

約数ペア:

[(1, 210207920), (2, 105103960), (4, 52551980), (5, 42041584), (8, 26275990), (10, 21020792), (13, 16169840), (16, 13137995), (20, 10510396), (26, 8084920), (40, 5255198), (52, 4042460), (65, 3233968), (80, 2627599), (104, 2021230), (107, 1964560), (130, 1616984), (208, 1010615), (214, 982280), (260, 808492), (428, 491140), (520, 404246), (535, 392912), (856, 245570), (1040, 202123), (1070, 196456), (1391, 151120), (1712, 122785), (1889, 111280), (2140, 98228), (2782, 75560), (3778, 55640), (4280, 49114), (5564, 37780), (6955, 30224), (7556, 27820), (8560, 24557), (9445, 22256), (11128, 18890), (13910, 15112)]