153863140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{2579}}^1$

素因数の和:2764

約数の個数: 48

約数和(自身を含む): 342417600

約数和(自身を除く): 188554460

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 157, 190, 314, 380, 628, 785, 1570, 2579, 2983, 3140, 5158, 5966, 10316, 11932, 12895, 14915, 25790, 29830, 49001, 51580, 59660, 98002, 196004, 245005, 404903, 490010, 809806, 980020, 1619612, 2024515, 4049030, 7693157, 8098060, 15386314, 30772628, 38465785, 76931570, 153863140]

約数ペア:

[(1, 153863140), (2, 76931570), (4, 38465785), (5, 30772628), (10, 15386314), (19, 8098060), (20, 7693157), (38, 4049030), (76, 2024515), (95, 1619612), (157, 980020), (190, 809806), (314, 490010), (380, 404903), (628, 245005), (785, 196004), (1570, 98002), (2579, 59660), (2983, 51580), (3140, 49001), (5158, 29830), (5966, 25790), (10316, 14915), (11932, 12895)]