139601840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2801}}^1$

素因数の和:2910

約数の個数: 80

約数和(自身を含む): 375243840

約数和(自身を除く): 235642000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 89, 112, 140, 178, 280, 356, 445, 560, 623, 712, 890, 1246, 1424, 1780, 2492, 2801, 3115, 3560, 4984, 5602, 6230, 7120, 9968, 11204, 12460, 14005, 19607, 22408, 24920, 28010, 39214, 44816, 49840, 56020, 78428, 98035, 112040, 156856, 196070, 224080, 249289, 313712, 392140, 498578, 784280, 997156, 1246445, 1568560, 1745023, 1994312, 2492890, 3490046, 3988624, 4985780, 6980092, 8725115, 9971560, 13960184, 17450230, 19943120, 27920368, 34900460, 69800920, 139601840]

約数ペア:

[(1, 139601840), (2, 69800920), (4, 34900460), (5, 27920368), (7, 19943120), (8, 17450230), (10, 13960184), (14, 9971560), (16, 8725115), (20, 6980092), (28, 4985780), (35, 3988624), (40, 3490046), (56, 2492890), (70, 1994312), (80, 1745023), (89, 1568560), (112, 1246445), (140, 997156), (178, 784280), (280, 498578), (356, 392140), (445, 313712), (560, 249289), (623, 224080), (712, 196070), (890, 156856), (1246, 112040), (1424, 98035), (1780, 78428), (2492, 56020), (2801, 49840), (3115, 44816), (3560, 39214), (4984, 28010), (5602, 24920), (6230, 22408), (7120, 19607), (9968, 14005), (11204, 12460)]