7490840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{863}}^1$

素因数の和:912

約数の個数: 64

約数和(自身を含む): 19906560

約数和(自身を除く): 12415720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 863, 868, 1085, 1240, 1726, 1736, 2170, 3452, 4315, 4340, 6041, 6904, 8630, 8680, 12082, 17260, 24164, 26753, 30205, 34520, 48328, 53506, 60410, 107012, 120820, 133765, 187271, 214024, 241640, 267530, 374542, 535060, 749084, 936355, 1070120, 1498168, 1872710, 3745420, 7490840]

約数ペア:

[(1, 7490840), (2, 3745420), (4, 1872710), (5, 1498168), (7, 1070120), (8, 936355), (10, 749084), (14, 535060), (20, 374542), (28, 267530), (31, 241640), (35, 214024), (40, 187271), (56, 133765), (62, 120820), (70, 107012), (124, 60410), (140, 53506), (155, 48328), (217, 34520), (248, 30205), (280, 26753), (310, 24164), (434, 17260), (620, 12082), (863, 8680), (868, 8630), (1085, 6904), (1240, 6041), (1726, 4340), (1736, 4315), (2170, 3452)]