285321140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{479}}^1$

素因数の和:609

約数の個数: 96

約数和(自身を含む): 677376000

約数和(自身を除く): 392054860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 79, 116, 130, 145, 158, 260, 290, 316, 377, 395, 479, 580, 754, 790, 958, 1027, 1508, 1580, 1885, 1916, 2054, 2291, 2395, 3770, 4108, 4582, 4790, 5135, 6227, 7540, 9164, 9580, 10270, 11455, 12454, 13891, 20540, 22910, 24908, 27782, 29783, 31135, 37841, 45820, 55564, 59566, 62270, 69455, 75682, 119132, 124540, 138910, 148915, 151364, 180583, 189205, 277820, 297830, 361166, 378410, 491933, 595660, 722332, 756820, 902915, 983866, 1097389, 1805830, 1967732, 2194778, 2459665, 3611660, 4389556, 4919330, 5486945, 9838660, 10973890, 14266057, 21947780, 28532114, 57064228, 71330285, 142660570, 285321140]

約数ペア:

[(1, 285321140), (2, 142660570), (4, 71330285), (5, 57064228), (10, 28532114), (13, 21947780), (20, 14266057), (26, 10973890), (29, 9838660), (52, 5486945), (58, 4919330), (65, 4389556), (79, 3611660), (116, 2459665), (130, 2194778), (145, 1967732), (158, 1805830), (260, 1097389), (290, 983866), (316, 902915), (377, 756820), (395, 722332), (479, 595660), (580, 491933), (754, 378410), (790, 361166), (958, 297830), (1027, 277820), (1508, 189205), (1580, 180583), (1885, 151364), (1916, 148915), (2054, 138910), (2291, 124540), (2395, 119132), (3770, 75682), (4108, 69455), (4582, 62270), (4790, 59566), (5135, 55564), (6227, 45820), (7540, 37841), (9164, 31135), (9580, 29783), (10270, 27782), (11455, 24908), (12454, 22910), (13891, 20540)]