740459480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{17851}}^1$

素因数の和:17940

約数の個数: 64

約数和(自身を含む): 1793054880

約数和(自身を除く): 1052595400

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 61, 68, 85, 122, 136, 170, 244, 305, 340, 488, 610, 680, 1037, 1220, 2074, 2440, 4148, 5185, 8296, 10370, 17851, 20740, 35702, 41480, 71404, 89255, 142808, 178510, 303467, 357020, 606934, 714040, 1088911, 1213868, 1517335, 2177822, 2427736, 3034670, 4355644, 5444555, 6069340, 8711288, 10889110, 12138680, 18511487, 21778220, 37022974, 43556440, 74045948, 92557435, 148091896, 185114870, 370229740, 740459480]

約数ペア:

[(1, 740459480), (2, 370229740), (4, 185114870), (5, 148091896), (8, 92557435), (10, 74045948), (17, 43556440), (20, 37022974), (34, 21778220), (40, 18511487), (61, 12138680), (68, 10889110), (85, 8711288), (122, 6069340), (136, 5444555), (170, 4355644), (244, 3034670), (305, 2427736), (340, 2177822), (488, 1517335), (610, 1213868), (680, 1088911), (1037, 714040), (1220, 606934), (2074, 357020), (2440, 303467), (4148, 178510), (5185, 142808), (8296, 89255), (10370, 71404), (17851, 41480), (20740, 35702)]