211057300

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{661}}^1$

素因数の和:809

約数の個数: 72

約数和(自身を含む): 478080512

約数和(自身を除く): 267023212

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 103, 124, 155, 206, 310, 412, 515, 620, 661, 775, 1030, 1322, 1550, 2060, 2575, 2644, 3100, 3193, 3305, 5150, 6386, 6610, 10300, 12772, 13220, 15965, 16525, 20491, 31930, 33050, 40982, 63860, 66100, 68083, 79825, 81964, 102455, 136166, 159650, 204910, 272332, 319300, 340415, 409820, 512275, 680830, 1024550, 1361660, 1702075, 2049100, 2110573, 3404150, 4221146, 6808300, 8442292, 10552865, 21105730, 42211460, 52764325, 105528650, 211057300]

約数ペア:

[(1, 211057300), (2, 105528650), (4, 52764325), (5, 42211460), (10, 21105730), (20, 10552865), (25, 8442292), (31, 6808300), (50, 4221146), (62, 3404150), (100, 2110573), (103, 2049100), (124, 1702075), (155, 1361660), (206, 1024550), (310, 680830), (412, 512275), (515, 409820), (620, 340415), (661, 319300), (775, 272332), (1030, 204910), (1322, 159650), (1550, 136166), (2060, 102455), (2575, 81964), (2644, 79825), (3100, 68083), (3193, 66100), (3305, 63860), (5150, 40982), (6386, 33050), (6610, 31930), (10300, 20491), (12772, 16525), (13220, 15965)]