207260920

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{491}}^1$

素因数の和:736

約数の個数: 64

約数和(自身を含む): 477692640

約数和(自身を除く): 270431720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 173, 244, 305, 346, 488, 491, 610, 692, 865, 982, 1220, 1384, 1730, 1964, 2440, 2455, 3460, 3928, 4910, 6920, 9820, 10553, 19640, 21106, 29951, 42212, 52765, 59902, 84424, 84943, 105530, 119804, 149755, 169886, 211060, 239608, 299510, 339772, 422120, 424715, 599020, 679544, 849430, 1198040, 1698860, 3397720, 5181523, 10363046, 20726092, 25907615, 41452184, 51815230, 103630460, 207260920]

約数ペア:

[(1, 207260920), (2, 103630460), (4, 51815230), (5, 41452184), (8, 25907615), (10, 20726092), (20, 10363046), (40, 5181523), (61, 3397720), (122, 1698860), (173, 1198040), (244, 849430), (305, 679544), (346, 599020), (488, 424715), (491, 422120), (610, 339772), (692, 299510), (865, 239608), (982, 211060), (1220, 169886), (1384, 149755), (1730, 119804), (1964, 105530), (2440, 84943), (2455, 84424), (3460, 59902), (3928, 52765), (4910, 42212), (6920, 29951), (9820, 21106), (10553, 19640)]