278559870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{138587}}^1$

素因数の和:138664

約数の個数: 32

約数和(自身を含む): 678526848

約数和(自身を除く): 399966978

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 67, 134, 201, 335, 402, 670, 1005, 2010, 138587, 277174, 415761, 692935, 831522, 1385870, 2078805, 4157610, 9285329, 18570658, 27855987, 46426645, 55711974, 92853290, 139279935, 278559870]

約数ペア:

[(1, 278559870), (2, 139279935), (3, 92853290), (5, 55711974), (6, 46426645), (10, 27855987), (15, 18570658), (30, 9285329), (67, 4157610), (134, 2078805), (201, 1385870), (335, 831522), (402, 692935), (670, 415761), (1005, 277174), (2010, 138587)]