172678380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{2087}}^1$

素因数の和:2303

約数の個数: 96

約数和(自身を含む): 555641856

約数和(自身を除く): 382963476

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 197, 210, 394, 420, 591, 788, 985, 1182, 1379, 1970, 2087, 2364, 2758, 2955, 3940, 4137, 4174, 5516, 5910, 6261, 6895, 8274, 8348, 10435, 11820, 12522, 13790, 14609, 16548, 20685, 20870, 25044, 27580, 29218, 31305, 41370, 41740, 43827, 58436, 62610, 73045, 82740, 87654, 125220, 146090, 175308, 219135, 292180, 411139, 438270, 822278, 876540, 1233417, 1644556, 2055695, 2466834, 2877973, 4111390, 4933668, 5755946, 6167085, 8222780, 8633919, 11511892, 12334170, 14389865, 17267838, 24668340, 28779730, 34535676, 43169595, 57559460, 86339190, 172678380]

約数ペア:

[(1, 172678380), (2, 86339190), (3, 57559460), (4, 43169595), (5, 34535676), (6, 28779730), (7, 24668340), (10, 17267838), (12, 14389865), (14, 12334170), (15, 11511892), (20, 8633919), (21, 8222780), (28, 6167085), (30, 5755946), (35, 4933668), (42, 4111390), (60, 2877973), (70, 2466834), (84, 2055695), (105, 1644556), (140, 1233417), (197, 876540), (210, 822278), (394, 438270), (420, 411139), (591, 292180), (788, 219135), (985, 175308), (1182, 146090), (1379, 125220), (1970, 87654), (2087, 82740), (2364, 73045), (2758, 62610), (2955, 58436), (3940, 43827), (4137, 41740), (4174, 41370), (5516, 31305), (5910, 29218), (6261, 27580), (6895, 25044), (8274, 20870), (8348, 20685), (10435, 16548), (11820, 14609), (12522, 13790)]