520016980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{349}}^1\times {\mathrm{367}}^1$

素因数の和:761

約数の個数: 96

約数和(自身を含む): 1298304000

約数和(自身を除く): 778287020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 349, 367, 406, 580, 698, 734, 812, 1015, 1396, 1468, 1745, 1835, 2030, 2443, 2569, 3490, 3670, 4060, 4886, 5138, 6980, 7340, 9772, 10121, 10276, 10643, 12215, 12845, 20242, 21286, 24430, 25690, 40484, 42572, 48860, 50605, 51380, 53215, 70847, 74501, 101210, 106430, 128083, 141694, 149002, 202420, 212860, 256166, 283388, 298004, 354235, 372505, 512332, 640415, 708470, 745010, 896581, 1280830, 1416940, 1490020, 1793162, 2561660, 3586324, 3714407, 4482905, 7428814, 8965810, 14857628, 17931620, 18572035, 26000849, 37144070, 52001698, 74288140, 104003396, 130004245, 260008490, 520016980]

約数ペア:

[(1, 520016980), (2, 260008490), (4, 130004245), (5, 104003396), (7, 74288140), (10, 52001698), (14, 37144070), (20, 26000849), (28, 18572035), (29, 17931620), (35, 14857628), (58, 8965810), (70, 7428814), (116, 4482905), (140, 3714407), (145, 3586324), (203, 2561660), (290, 1793162), (349, 1490020), (367, 1416940), (406, 1280830), (580, 896581), (698, 745010), (734, 708470), (812, 640415), (1015, 512332), (1396, 372505), (1468, 354235), (1745, 298004), (1835, 283388), (2030, 256166), (2443, 212860), (2569, 202420), (3490, 149002), (3670, 141694), (4060, 128083), (4886, 106430), (5138, 101210), (6980, 74501), (7340, 70847), (9772, 53215), (10121, 51380), (10276, 50605), (10643, 48860), (12215, 42572), (12845, 40484), (20242, 25690), (21286, 24430)]