320121220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{863}}^1\times {\mathrm{1091}}^1$

素因数の和:1980

約数の個数: 48

約数和(自身を含む): 713276928

約数和(自身を除く): 393155708

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 863, 1091, 1726, 2182, 3452, 4315, 4364, 5455, 8630, 10910, 14671, 17260, 18547, 21820, 29342, 37094, 58684, 73355, 74188, 92735, 146710, 185470, 293420, 370940, 941533, 1883066, 3766132, 4707665, 9415330, 16006061, 18830660, 32012122, 64024244, 80030305, 160060610, 320121220]

約数ペア:

[(1, 320121220), (2, 160060610), (4, 80030305), (5, 64024244), (10, 32012122), (17, 18830660), (20, 16006061), (34, 9415330), (68, 4707665), (85, 3766132), (170, 1883066), (340, 941533), (863, 370940), (1091, 293420), (1726, 185470), (2182, 146710), (3452, 92735), (4315, 74188), (4364, 73355), (5455, 58684), (8630, 37094), (10910, 29342), (14671, 21820), (17260, 18547)]