40681900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{653}}^1$

素因数の和:763

約数の個数: 72

約数和(自身を含む): 102180960

約数和(自身を除く): 61499060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 89, 100, 140, 175, 178, 350, 356, 445, 623, 653, 700, 890, 1246, 1306, 1780, 2225, 2492, 2612, 3115, 3265, 4450, 4571, 6230, 6530, 8900, 9142, 12460, 13060, 15575, 16325, 18284, 22855, 31150, 32650, 45710, 58117, 62300, 65300, 91420, 114275, 116234, 228550, 232468, 290585, 406819, 457100, 581170, 813638, 1162340, 1452925, 1627276, 2034095, 2905850, 4068190, 5811700, 8136380, 10170475, 20340950, 40681900]

約数ペア:

[(1, 40681900), (2, 20340950), (4, 10170475), (5, 8136380), (7, 5811700), (10, 4068190), (14, 2905850), (20, 2034095), (25, 1627276), (28, 1452925), (35, 1162340), (50, 813638), (70, 581170), (89, 457100), (100, 406819), (140, 290585), (175, 232468), (178, 228550), (350, 116234), (356, 114275), (445, 91420), (623, 65300), (653, 62300), (700, 58117), (890, 45710), (1246, 32650), (1306, 31150), (1780, 22855), (2225, 18284), (2492, 16325), (2612, 15575), (3115, 13060), (3265, 12460), (4450, 9142), (4571, 8900), (6230, 6530)]