2500460

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:186

約数の個数: 48

約数和(自身を含む): 5617920

約数和(自身を除く): 3117460

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 62, 74, 109, 124, 148, 155, 185, 218, 310, 370, 436, 545, 620, 740, 1090, 1147, 2180, 2294, 3379, 4033, 4588, 5735, 6758, 8066, 11470, 13516, 16132, 16895, 20165, 22940, 33790, 40330, 67580, 80660, 125023, 250046, 500092, 625115, 1250230, 2500460]

約数ペア:

[(1, 2500460), (2, 1250230), (4, 625115), (5, 500092), (10, 250046), (20, 125023), (31, 80660), (37, 67580), (62, 40330), (74, 33790), (109, 22940), (124, 20165), (148, 16895), (155, 16132), (185, 13516), (218, 11470), (310, 8066), (370, 6758), (436, 5735), (545, 4588), (620, 4033), (740, 3379), (1090, 2294), (1147, 2180)]