31421500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:256

約数の個数: 96

約数和(自身を含む): 77837760

約数和(自身を除く): 46416260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 29, 44, 50, 55, 58, 100, 110, 116, 125, 145, 197, 220, 250, 275, 290, 319, 394, 500, 550, 580, 638, 725, 788, 985, 1100, 1276, 1375, 1450, 1595, 1970, 2167, 2750, 2900, 3190, 3625, 3940, 4334, 4925, 5500, 5713, 6380, 7250, 7975, 8668, 9850, 10835, 11426, 14500, 15950, 19700, 21670, 22852, 24625, 28565, 31900, 39875, 43340, 49250, 54175, 57130, 62843, 79750, 98500, 108350, 114260, 125686, 142825, 159500, 216700, 251372, 270875, 285650, 314215, 541750, 571300, 628430, 714125, 1083500, 1256860, 1428250, 1571075, 2856500, 3142150, 6284300, 7855375, 15710750, 31421500]

約数ペア:

[(1, 31421500), (2, 15710750), (4, 7855375), (5, 6284300), (10, 3142150), (11, 2856500), (20, 1571075), (22, 1428250), (25, 1256860), (29, 1083500), (44, 714125), (50, 628430), (55, 571300), (58, 541750), (100, 314215), (110, 285650), (116, 270875), (125, 251372), (145, 216700), (197, 159500), (220, 142825), (250, 125686), (275, 114260), (290, 108350), (319, 98500), (394, 79750), (500, 62843), (550, 57130), (580, 54175), (638, 49250), (725, 43340), (788, 39875), (985, 31900), (1100, 28565), (1276, 24625), (1375, 22852), (1450, 21670), (1595, 19700), (1970, 15950), (2167, 14500), (2750, 11426), (2900, 10835), (3190, 9850), (3625, 8668), (3940, 7975), (4334, 7250), (4925, 6380), (5500, 5713)]