280386666

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{439}}^1$

素因数の和:628

約数の個数: 96

約数和(自身を含む): 719896320

約数和(自身を除く): 439509654

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 37, 42, 63, 74, 111, 126, 137, 222, 259, 274, 333, 411, 439, 518, 666, 777, 822, 878, 959, 1233, 1317, 1554, 1918, 2331, 2466, 2634, 2877, 3073, 3951, 4662, 5069, 5754, 6146, 7902, 8631, 9219, 10138, 15207, 16243, 17262, 18438, 27657, 30414, 32486, 35483, 45621, 48729, 55314, 60143, 70966, 91242, 97458, 106449, 113701, 120286, 146187, 180429, 212898, 227402, 292374, 319347, 341103, 360858, 421001, 541287, 638694, 682206, 842002, 1023309, 1082574, 1263003, 2046618, 2225291, 2526006, 3789009, 4450582, 6675873, 7578018, 13351746, 15577037, 20027619, 31154074, 40055238, 46731111, 93462222, 140193333, 280386666]

約数ペア:

[(1, 280386666), (2, 140193333), (3, 93462222), (6, 46731111), (7, 40055238), (9, 31154074), (14, 20027619), (18, 15577037), (21, 13351746), (37, 7578018), (42, 6675873), (63, 4450582), (74, 3789009), (111, 2526006), (126, 2225291), (137, 2046618), (222, 1263003), (259, 1082574), (274, 1023309), (333, 842002), (411, 682206), (439, 638694), (518, 541287), (666, 421001), (777, 360858), (822, 341103), (878, 319347), (959, 292374), (1233, 227402), (1317, 212898), (1554, 180429), (1918, 146187), (2331, 120286), (2466, 113701), (2634, 106449), (2877, 97458), (3073, 91242), (3951, 70966), (4662, 60143), (5069, 55314), (5754, 48729), (6146, 45621), (7902, 35483), (8631, 32486), (9219, 30414), (10138, 27657), (15207, 18438), (16243, 17262)]