428779600

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{229}}^1$

素因数の和:429

約数の個数: 120

約数和(自身を含む): 1075089920

約数和(自身を除く): 646310320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 151, 155, 200, 229, 248, 302, 310, 400, 458, 496, 604, 620, 755, 775, 916, 1145, 1208, 1240, 1510, 1550, 1832, 2290, 2416, 2480, 3020, 3100, 3664, 3775, 4580, 4681, 5725, 6040, 6200, 7099, 7550, 9160, 9362, 11450, 12080, 12400, 14198, 15100, 18320, 18724, 22900, 23405, 28396, 30200, 34579, 35495, 37448, 45800, 46810, 56792, 60400, 69158, 70990, 74896, 91600, 93620, 113584, 117025, 138316, 141980, 172895, 177475, 187240, 234050, 276632, 283960, 345790, 354950, 374480, 468100, 553264, 567920, 691580, 709900, 864475, 936200, 1071949, 1383160, 1419800, 1728950, 1872400, 2143898, 2766320, 2839600, 3457900, 4287796, 5359745, 6915800, 8575592, 10719490, 13831600, 17151184, 21438980, 26798725, 42877960, 53597450, 85755920, 107194900, 214389800, 428779600]

約数ペア:

[(1, 428779600), (2, 214389800), (4, 107194900), (5, 85755920), (8, 53597450), (10, 42877960), (16, 26798725), (20, 21438980), (25, 17151184), (31, 13831600), (40, 10719490), (50, 8575592), (62, 6915800), (80, 5359745), (100, 4287796), (124, 3457900), (151, 2839600), (155, 2766320), (200, 2143898), (229, 1872400), (248, 1728950), (302, 1419800), (310, 1383160), (400, 1071949), (458, 936200), (496, 864475), (604, 709900), (620, 691580), (755, 567920), (775, 553264), (916, 468100), (1145, 374480), (1208, 354950), (1240, 345790), (1510, 283960), (1550, 276632), (1832, 234050), (2290, 187240), (2416, 177475), (2480, 172895), (3020, 141980), (3100, 138316), (3664, 117025), (3775, 113584), (4580, 93620), (4681, 91600), (5725, 74896), (6040, 70990), (6200, 69158), (7099, 60400), (7550, 56792), (9160, 46810), (9362, 45800), (11450, 37448), (12080, 35495), (12400, 34579), (14198, 30200), (15100, 28396), (18320, 23405), (18724, 22900)]