398487000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{6991}}^1$

素因数の和:7034

約数の個数: 128

約数和(自身を含む): 1308902400

約数和(自身を除く): 910415400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 25, 30, 38, 40, 50, 57, 60, 75, 76, 95, 100, 114, 120, 125, 150, 152, 190, 200, 228, 250, 285, 300, 375, 380, 456, 475, 500, 570, 600, 750, 760, 950, 1000, 1140, 1425, 1500, 1900, 2280, 2375, 2850, 3000, 3800, 4750, 5700, 6991, 7125, 9500, 11400, 13982, 14250, 19000, 20973, 27964, 28500, 34955, 41946, 55928, 57000, 69910, 83892, 104865, 132829, 139820, 167784, 174775, 209730, 265658, 279640, 349550, 398487, 419460, 524325, 531316, 664145, 699100, 796974, 838920, 873875, 1048650, 1062632, 1328290, 1398200, 1593948, 1747750, 1992435, 2097300, 2621625, 2656580, 3187896, 3320725, 3495500, 3984870, 4194600, 5243250, 5313160, 6641450, 6991000, 7969740, 9962175, 10486500, 13282900, 15939480, 16603625, 19924350, 20973000, 26565800, 33207250, 39848700, 49810875, 66414500, 79697400, 99621750, 132829000, 199243500, 398487000]

約数ペア:

[(1, 398487000), (2, 199243500), (3, 132829000), (4, 99621750), (5, 79697400), (6, 66414500), (8, 49810875), (10, 39848700), (12, 33207250), (15, 26565800), (19, 20973000), (20, 19924350), (24, 16603625), (25, 15939480), (30, 13282900), (38, 10486500), (40, 9962175), (50, 7969740), (57, 6991000), (60, 6641450), (75, 5313160), (76, 5243250), (95, 4194600), (100, 3984870), (114, 3495500), (120, 3320725), (125, 3187896), (150, 2656580), (152, 2621625), (190, 2097300), (200, 1992435), (228, 1747750), (250, 1593948), (285, 1398200), (300, 1328290), (375, 1062632), (380, 1048650), (456, 873875), (475, 838920), (500, 796974), (570, 699100), (600, 664145), (750, 531316), (760, 524325), (950, 419460), (1000, 398487), (1140, 349550), (1425, 279640), (1500, 265658), (1900, 209730), (2280, 174775), (2375, 167784), (2850, 139820), (3000, 132829), (3800, 104865), (4750, 83892), (5700, 69910), (6991, 57000), (7125, 55928), (9500, 41946), (11400, 34955), (13982, 28500), (14250, 27964), (19000, 20973)]