401026120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:323

約数の個数: 128

約数和(自身を含む): 1016064000

約数和(自身を除く): 615037880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 79, 83, 88, 110, 139, 158, 166, 220, 278, 316, 332, 395, 415, 440, 556, 632, 664, 695, 790, 830, 869, 913, 1112, 1390, 1529, 1580, 1660, 1738, 1826, 2780, 3058, 3160, 3320, 3476, 3652, 4345, 4565, 5560, 6116, 6557, 6952, 7304, 7645, 8690, 9130, 10981, 11537, 12232, 13114, 15290, 17380, 18260, 21962, 23074, 26228, 30580, 32785, 34760, 36520, 43924, 46148, 52456, 54905, 57685, 61160, 65570, 72127, 87848, 92296, 109810, 115370, 120791, 126907, 131140, 144254, 219620, 230740, 241582, 253814, 262280, 288508, 360635, 439240, 461480, 483164, 507628, 577016, 603955, 634535, 721270, 911423, 966328, 1015256, 1207910, 1269070, 1442540, 1822846, 2415820, 2538140, 2885080, 3645692, 4557115, 4831640, 5076280, 7291384, 9114230, 10025653, 18228460, 20051306, 36456920, 40102612, 50128265, 80205224, 100256530, 200513060, 401026120]

約数ペア:

[(1, 401026120), (2, 200513060), (4, 100256530), (5, 80205224), (8, 50128265), (10, 40102612), (11, 36456920), (20, 20051306), (22, 18228460), (40, 10025653), (44, 9114230), (55, 7291384), (79, 5076280), (83, 4831640), (88, 4557115), (110, 3645692), (139, 2885080), (158, 2538140), (166, 2415820), (220, 1822846), (278, 1442540), (316, 1269070), (332, 1207910), (395, 1015256), (415, 966328), (440, 911423), (556, 721270), (632, 634535), (664, 603955), (695, 577016), (790, 507628), (830, 483164), (869, 461480), (913, 439240), (1112, 360635), (1390, 288508), (1529, 262280), (1580, 253814), (1660, 241582), (1738, 230740), (1826, 219620), (2780, 144254), (3058, 131140), (3160, 126907), (3320, 120791), (3476, 115370), (3652, 109810), (4345, 92296), (4565, 87848), (5560, 72127), (6116, 65570), (6557, 61160), (6952, 57685), (7304, 54905), (7645, 52456), (8690, 46148), (9130, 43924), (10981, 36520), (11537, 34760), (12232, 32785), (13114, 30580), (15290, 26228), (17380, 23074), (18260, 21962)]