47779780

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1\times {\mathrm{269}}^1$

素因数の和:468

約数の個数: 48

約数和(自身を含む): 102876480

約数和(自身を除く): 55096700

約数列:

[1, 2, 4, 5, 10, 20, 83, 107, 166, 214, 269, 332, 415, 428, 535, 538, 830, 1070, 1076, 1345, 1660, 2140, 2690, 5380, 8881, 17762, 22327, 28783, 35524, 44405, 44654, 57566, 88810, 89308, 111635, 115132, 143915, 177620, 223270, 287830, 446540, 575660, 2388989, 4777978, 9555956, 11944945, 23889890, 47779780]

約数ペア:

[(1, 47779780), (2, 23889890), (4, 11944945), (5, 9555956), (10, 4777978), (20, 2388989), (83, 575660), (107, 446540), (166, 287830), (214, 223270), (269, 177620), (332, 143915), (415, 115132), (428, 111635), (535, 89308), (538, 88810), (830, 57566), (1070, 44654), (1076, 44405), (1345, 35524), (1660, 28783), (2140, 22327), (2690, 17762), (5380, 8881)]