1188396580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{119557}}^1$

素因数の和:119644

約数の個数: 48

約数和(自身を含む): 2892347136

約数和(自身を除く): 1703950556

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 9940, 119557, 239114, 478228, 597785, 836899, 1195570, 1673798, 2391140, 3347596, 4184495, 8368990, 8488547, 16737980, 16977094, 33954188, 42442735, 59419829, 84885470, 118839658, 169770940, 237679316, 297099145, 594198290, 1188396580]

約数ペア:

[(1, 1188396580), (2, 594198290), (4, 297099145), (5, 237679316), (7, 169770940), (10, 118839658), (14, 84885470), (20, 59419829), (28, 42442735), (35, 33954188), (70, 16977094), (71, 16737980), (140, 8488547), (142, 8368990), (284, 4184495), (355, 3347596), (497, 2391140), (710, 1673798), (994, 1195570), (1420, 836899), (1988, 597785), (2485, 478228), (4970, 239114), (9940, 119557)]