638423240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{175391}}^1$

素因数の和:175422

約数の個数: 64

約数和(自身を含む): 1767951360

約数和(自身を除く): 1129528120

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 175391, 350782, 701564, 876955, 1227737, 1403128, 1753910, 2280083, 2455474, 3507820, 4560166, 4910948, 6138685, 7015640, 9120332, 9821896, 11400415, 12277370, 15960581, 18240664, 22800830, 24554740, 31921162, 45601660, 49109480, 63842324, 79802905, 91203320, 127684648, 159605810, 319211620, 638423240]

約数ペア:

[(1, 638423240), (2, 319211620), (4, 159605810), (5, 127684648), (7, 91203320), (8, 79802905), (10, 63842324), (13, 49109480), (14, 45601660), (20, 31921162), (26, 24554740), (28, 22800830), (35, 18240664), (40, 15960581), (52, 12277370), (56, 11400415), (65, 9821896), (70, 9120332), (91, 7015640), (104, 6138685), (130, 4910948), (140, 4560166), (182, 3507820), (260, 2455474), (280, 2280083), (364, 1753910), (455, 1403128), (520, 1227737), (728, 876955), (910, 701564), (1820, 350782), (3640, 175391)]