74368520

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{461}}^1$

素因数の和:618

約数の個数: 64

約数和(自身を含む): 173804400

約数和(自身を除く): 99435880

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 109, 148, 185, 218, 296, 370, 436, 461, 545, 740, 872, 922, 1090, 1480, 1844, 2180, 2305, 3688, 4033, 4360, 4610, 8066, 9220, 16132, 17057, 18440, 20165, 32264, 34114, 40330, 50249, 68228, 80660, 85285, 100498, 136456, 161320, 170570, 200996, 251245, 341140, 401992, 502490, 682280, 1004980, 1859213, 2009960, 3718426, 7436852, 9296065, 14873704, 18592130, 37184260, 74368520]

約数ペア:

[(1, 74368520), (2, 37184260), (4, 18592130), (5, 14873704), (8, 9296065), (10, 7436852), (20, 3718426), (37, 2009960), (40, 1859213), (74, 1004980), (109, 682280), (148, 502490), (185, 401992), (218, 341140), (296, 251245), (370, 200996), (436, 170570), (461, 161320), (545, 136456), (740, 100498), (872, 85285), (922, 80660), (1090, 68228), (1480, 50249), (1844, 40330), (2180, 34114), (2305, 32264), (3688, 20165), (4033, 18440), (4360, 17057), (4610, 16132), (8066, 9220)]