73800000020

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{51971831}}^1$

素因数の和:51971911

約数の個数: 24

約数和(自身を含む): 157162819968

約数和(自身を除く): 83362819948

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 51971831, 103943662, 207887324, 259859155, 519718310, 1039436620, 3690000001, 7380000002, 14760000004, 18450000005, 36900000010, 73800000020]

約数ペア:

[(1, 73800000020), (2, 36900000010), (4, 18450000005), (5, 14760000004), (10, 7380000002), (20, 3690000001), (71, 1039436620), (142, 519718310), (284, 259859155), (355, 207887324), (710, 103943662), (1420, 51971831)]