220164970

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{607}}^1$

素因数の和:739

約数の個数: 64

約数和(自身を含む): 441262080

約数和(自身を除く): 221097110

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 83, 95, 115, 166, 190, 230, 415, 437, 607, 830, 874, 1214, 1577, 1909, 2185, 3035, 3154, 3818, 4370, 6070, 7885, 9545, 11533, 13961, 15770, 19090, 23066, 27922, 36271, 50381, 57665, 69805, 72542, 100762, 115330, 139610, 181355, 251905, 265259, 362710, 503810, 530518, 957239, 1158763, 1326295, 1914478, 2317526, 2652590, 4786195, 5793815, 9572390, 11587630, 22016497, 44032994, 110082485, 220164970]

約数ペア:

[(1, 220164970), (2, 110082485), (5, 44032994), (10, 22016497), (19, 11587630), (23, 9572390), (38, 5793815), (46, 4786195), (83, 2652590), (95, 2317526), (115, 1914478), (166, 1326295), (190, 1158763), (230, 957239), (415, 530518), (437, 503810), (607, 362710), (830, 265259), (874, 251905), (1214, 181355), (1577, 139610), (1909, 115330), (2185, 100762), (3035, 72542), (3154, 69805), (3818, 57665), (4370, 50381), (6070, 36271), (7885, 27922), (9545, 23066), (11533, 19090), (13961, 15770)]