219840735

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{397}}^1$

素因数の和:520

約数の個数: 64

約数和(自身を含む): 389721600

約数和(自身を除く): 169880865

約数列:

[1, 3, 5, 15, 19, 29, 57, 67, 87, 95, 145, 201, 285, 335, 397, 435, 551, 1005, 1191, 1273, 1653, 1943, 1985, 2755, 3819, 5829, 5955, 6365, 7543, 8265, 9715, 11513, 19095, 22629, 26599, 29145, 34539, 36917, 37715, 57565, 79797, 110751, 113145, 132995, 172695, 184585, 218747, 398985, 505381, 553755, 656241, 771371, 1093735, 1516143, 2314113, 2526905, 3281205, 3856855, 7580715, 11570565, 14656049, 43968147, 73280245, 219840735]

約数ペア:

[(1, 219840735), (3, 73280245), (5, 43968147), (15, 14656049), (19, 11570565), (29, 7580715), (57, 3856855), (67, 3281205), (87, 2526905), (95, 2314113), (145, 1516143), (201, 1093735), (285, 771371), (335, 656241), (397, 553755), (435, 505381), (551, 398985), (1005, 218747), (1191, 184585), (1273, 172695), (1653, 132995), (1943, 113145), (1985, 110751), (2755, 79797), (3819, 57565), (5829, 37715), (5955, 36917), (6365, 34539), (7543, 29145), (8265, 26599), (9715, 22629), (11513, 19095)]