278833220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{2693}}^1$

素因数の和:2900

約数の個数: 48

約数和(自身を含む): 608283648

約数和(自身を除く): 329450428

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 167, 310, 334, 620, 668, 835, 1670, 2693, 3340, 5177, 5386, 10354, 10772, 13465, 20708, 25885, 26930, 51770, 53860, 83483, 103540, 166966, 333932, 417415, 449731, 834830, 899462, 1669660, 1798924, 2248655, 4497310, 8994620, 13941661, 27883322, 55766644, 69708305, 139416610, 278833220]

約数ペア:

[(1, 278833220), (2, 139416610), (4, 69708305), (5, 55766644), (10, 27883322), (20, 13941661), (31, 8994620), (62, 4497310), (124, 2248655), (155, 1798924), (167, 1669660), (310, 899462), (334, 834830), (620, 449731), (668, 417415), (835, 333932), (1670, 166966), (2693, 103540), (3340, 83483), (5177, 53860), (5386, 51770), (10354, 26930), (10772, 25885), (13465, 20708)]