817364020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{359}}^1$

素因数の和:589

約数の個数: 96

約数和(自身を含む): 1916006400

約数和(自身を除く): 1098642380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 131, 158, 220, 262, 316, 359, 395, 524, 655, 718, 790, 869, 1310, 1436, 1441, 1580, 1738, 1795, 2620, 2882, 3476, 3590, 3949, 4345, 5764, 7180, 7205, 7898, 8690, 10349, 14410, 15796, 17380, 19745, 20698, 28361, 28820, 39490, 41396, 47029, 51745, 56722, 78980, 94058, 103490, 113444, 113839, 141805, 188116, 206980, 227678, 235145, 283610, 311971, 455356, 470290, 517319, 567220, 569195, 623942, 940580, 1034638, 1138390, 1247884, 1559855, 2069276, 2276780, 2586595, 3119710, 3715291, 5173190, 6239420, 7430582, 10346380, 14861164, 18576455, 37152910, 40868201, 74305820, 81736402, 163472804, 204341005, 408682010, 817364020]

約数ペア:

[(1, 817364020), (2, 408682010), (4, 204341005), (5, 163472804), (10, 81736402), (11, 74305820), (20, 40868201), (22, 37152910), (44, 18576455), (55, 14861164), (79, 10346380), (110, 7430582), (131, 6239420), (158, 5173190), (220, 3715291), (262, 3119710), (316, 2586595), (359, 2276780), (395, 2069276), (524, 1559855), (655, 1247884), (718, 1138390), (790, 1034638), (869, 940580), (1310, 623942), (1436, 569195), (1441, 567220), (1580, 517319), (1738, 470290), (1795, 455356), (2620, 311971), (2882, 283610), (3476, 235145), (3590, 227678), (3949, 206980), (4345, 188116), (5764, 141805), (7180, 113839), (7205, 113444), (7898, 103490), (8690, 94058), (10349, 78980), (14410, 56722), (15796, 51745), (17380, 47029), (19745, 41396), (20698, 39490), (28361, 28820)]