221305370

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{1279}}^1$

素因数の和:1332

約数の個数: 64

約数和(自身を含む): 472227840

約数和(自身を除く): 250922470

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 121, 130, 143, 242, 286, 605, 715, 1210, 1279, 1331, 1430, 1573, 2558, 2662, 3146, 6395, 6655, 7865, 12790, 13310, 14069, 15730, 16627, 17303, 28138, 33254, 34606, 70345, 83135, 86515, 140690, 154759, 166270, 173030, 182897, 309518, 365794, 773795, 914485, 1547590, 1702349, 1828970, 2011867, 3404698, 4023734, 8511745, 10059335, 17023490, 20118670, 22130537, 44261074, 110652685, 221305370]

約数ペア:

[(1, 221305370), (2, 110652685), (5, 44261074), (10, 22130537), (11, 20118670), (13, 17023490), (22, 10059335), (26, 8511745), (55, 4023734), (65, 3404698), (110, 2011867), (121, 1828970), (130, 1702349), (143, 1547590), (242, 914485), (286, 773795), (605, 365794), (715, 309518), (1210, 182897), (1279, 173030), (1331, 166270), (1430, 154759), (1573, 140690), (2558, 86515), (2662, 83135), (3146, 70345), (6395, 34606), (6655, 33254), (7865, 28138), (12790, 17303), (13310, 16627), (14069, 15730)]