1645984900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{81083}}^1$

素因数の和:81133

約数の個数: 72

約数和(自身を含む): 4222854720

約数和(自身を除く): 2576869820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 29, 35, 50, 58, 70, 100, 116, 140, 145, 175, 203, 290, 350, 406, 580, 700, 725, 812, 1015, 1450, 2030, 2900, 4060, 5075, 10150, 20300, 81083, 162166, 324332, 405415, 567581, 810830, 1135162, 1621660, 2027075, 2270324, 2351407, 2837905, 4054150, 4702814, 5675810, 8108300, 9405628, 11351620, 11757035, 14189525, 16459849, 23514070, 28379050, 32919698, 47028140, 56758100, 58785175, 65839396, 82299245, 117570350, 164598490, 235140700, 329196980, 411496225, 822992450, 1645984900]

約数ペア:

[(1, 1645984900), (2, 822992450), (4, 411496225), (5, 329196980), (7, 235140700), (10, 164598490), (14, 117570350), (20, 82299245), (25, 65839396), (28, 58785175), (29, 56758100), (35, 47028140), (50, 32919698), (58, 28379050), (70, 23514070), (100, 16459849), (116, 14189525), (140, 11757035), (145, 11351620), (175, 9405628), (203, 8108300), (290, 5675810), (350, 4702814), (406, 4054150), (580, 2837905), (700, 2351407), (725, 2270324), (812, 2027075), (1015, 1621660), (1450, 1135162), (2030, 810830), (2900, 567581), (4060, 405415), (5075, 324332), (10150, 162166), (20300, 81083)]