25708500

素因数分解:

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

素因数の和:251

約数の個数: 144

約数和(自身を含む): 84324240

約数和(自身を除く): 58615740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 29, 30, 36, 45, 50, 58, 60, 75, 87, 90, 100, 116, 125, 145, 150, 174, 180, 197, 225, 250, 261, 290, 300, 348, 375, 394, 435, 450, 500, 522, 580, 591, 725, 750, 788, 870, 900, 985, 1044, 1125, 1182, 1305, 1450, 1500, 1740, 1773, 1970, 2175, 2250, 2364, 2610, 2900, 2955, 3546, 3625, 3940, 4350, 4500, 4925, 5220, 5713, 5910, 6525, 7092, 7250, 8700, 8865, 9850, 10875, 11426, 11820, 13050, 14500, 14775, 17139, 17730, 19700, 21750, 22852, 24625, 26100, 28565, 29550, 32625, 34278, 35460, 43500, 44325, 49250, 51417, 57130, 59100, 65250, 68556, 73875, 85695, 88650, 98500, 102834, 114260, 130500, 142825, 147750, 171390, 177300, 205668, 221625, 257085, 285650, 295500, 342780, 428475, 443250, 514170, 571300, 714125, 856950, 886500, 1028340, 1285425, 1428250, 1713900, 2142375, 2570850, 2856500, 4284750, 5141700, 6427125, 8569500, 12854250, 25708500]

約数ペア:

[(1, 25708500), (2, 12854250), (3, 8569500), (4, 6427125), (5, 5141700), (6, 4284750), (9, 2856500), (10, 2570850), (12, 2142375), (15, 1713900), (18, 1428250), (20, 1285425), (25, 1028340), (29, 886500), (30, 856950), (36, 714125), (45, 571300), (50, 514170), (58, 443250), (60, 428475), (75, 342780), (87, 295500), (90, 285650), (100, 257085), (116, 221625), (125, 205668), (145, 177300), (150, 171390), (174, 147750), (180, 142825), (197, 130500), (225, 114260), (250, 102834), (261, 98500), (290, 88650), (300, 85695), (348, 73875), (375, 68556), (394, 65250), (435, 59100), (450, 57130), (500, 51417), (522, 49250), (580, 44325), (591, 43500), (725, 35460), (750, 34278), (788, 32625), (870, 29550), (900, 28565), (985, 26100), (1044, 24625), (1125, 22852), (1182, 21750), (1305, 19700), (1450, 17730), (1500, 17139), (1740, 14775), (1773, 14500), (1970, 13050), (2175, 11820), (2250, 11426), (2364, 10875), (2610, 9850), (2900, 8865), (2955, 8700), (3546, 7250), (3625, 7092), (3940, 6525), (4350, 5910), (4500, 5713), (4925, 5220)]