135221380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{4451}}^1$

素因数の和:4505

約数の個数: 72

約数和(自身を含む): 341058816

約数和(自身を除く): 205837436

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 70, 98, 124, 140, 155, 196, 217, 245, 310, 434, 490, 620, 868, 980, 1085, 1519, 2170, 3038, 4340, 4451, 6076, 7595, 8902, 15190, 17804, 22255, 30380, 31157, 44510, 62314, 89020, 124628, 137981, 155785, 218099, 275962, 311570, 436198, 551924, 623140, 689905, 872396, 965867, 1090495, 1379810, 1931734, 2180990, 2759620, 3863468, 4361980, 4829335, 6761069, 9658670, 13522138, 19317340, 27044276, 33805345, 67610690, 135221380]

約数ペア:

[(1, 135221380), (2, 67610690), (4, 33805345), (5, 27044276), (7, 19317340), (10, 13522138), (14, 9658670), (20, 6761069), (28, 4829335), (31, 4361980), (35, 3863468), (49, 2759620), (62, 2180990), (70, 1931734), (98, 1379810), (124, 1090495), (140, 965867), (155, 872396), (196, 689905), (217, 623140), (245, 551924), (310, 436198), (434, 311570), (490, 275962), (620, 218099), (868, 155785), (980, 137981), (1085, 124628), (1519, 89020), (2170, 62314), (3038, 44510), (4340, 31157), (4451, 30380), (6076, 22255), (7595, 17804), (8902, 15190)]