123665500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{397}}^1$

素因数の和:512

約数の個数: 96

約数和(自身を含む): 312923520

約数和(自身を除く): 189258020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 89, 100, 125, 140, 175, 178, 250, 350, 356, 397, 445, 500, 623, 700, 794, 875, 890, 1246, 1588, 1750, 1780, 1985, 2225, 2492, 2779, 3115, 3500, 3970, 4450, 5558, 6230, 7940, 8900, 9925, 11116, 11125, 12460, 13895, 15575, 19850, 22250, 27790, 31150, 35333, 39700, 44500, 49625, 55580, 62300, 69475, 70666, 77875, 99250, 138950, 141332, 155750, 176665, 198500, 247331, 277900, 311500, 347375, 353330, 494662, 694750, 706660, 883325, 989324, 1236655, 1389500, 1766650, 2473310, 3533300, 4416625, 4946620, 6183275, 8833250, 12366550, 17666500, 24733100, 30916375, 61832750, 123665500]

約数ペア:

[(1, 123665500), (2, 61832750), (4, 30916375), (5, 24733100), (7, 17666500), (10, 12366550), (14, 8833250), (20, 6183275), (25, 4946620), (28, 4416625), (35, 3533300), (50, 2473310), (70, 1766650), (89, 1389500), (100, 1236655), (125, 989324), (140, 883325), (175, 706660), (178, 694750), (250, 494662), (350, 353330), (356, 347375), (397, 311500), (445, 277900), (500, 247331), (623, 198500), (700, 176665), (794, 155750), (875, 141332), (890, 138950), (1246, 99250), (1588, 77875), (1750, 70666), (1780, 69475), (1985, 62300), (2225, 55580), (2492, 49625), (2779, 44500), (3115, 39700), (3500, 35333), (3970, 31150), (4450, 27790), (5558, 22250), (6230, 19850), (7940, 15575), (8900, 13895), (9925, 12460), (11116, 11125)]