156974060

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{181}}^1\times {\mathrm{421}}^1$

素因数の和:714

約数の個数: 48

約数和(自身を含む): 335479872

約数和(自身を除く): 178505812

約数列:

[1, 2, 4, 5, 10, 20, 103, 181, 206, 362, 412, 421, 515, 724, 842, 905, 1030, 1684, 1810, 2060, 2105, 3620, 4210, 8420, 18643, 37286, 43363, 74572, 76201, 86726, 93215, 152402, 173452, 186430, 216815, 304804, 372860, 381005, 433630, 762010, 867260, 1524020, 7848703, 15697406, 31394812, 39243515, 78487030, 156974060]

約数ペア:

[(1, 156974060), (2, 78487030), (4, 39243515), (5, 31394812), (10, 15697406), (20, 7848703), (103, 1524020), (181, 867260), (206, 762010), (362, 433630), (412, 381005), (421, 372860), (515, 304804), (724, 216815), (842, 186430), (905, 173452), (1030, 152402), (1684, 93215), (1810, 86726), (2060, 76201), (2105, 74572), (3620, 43363), (4210, 37286), (8420, 18643)]