123287000

素因数分解:

$2^3\times 5^3\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:190

約数の個数: 128

約数和(自身を含む): 308206080

約数和(自身を除く): 184919080

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 41, 50, 62, 82, 97, 100, 124, 125, 155, 164, 194, 200, 205, 248, 250, 310, 328, 388, 410, 485, 500, 620, 775, 776, 820, 970, 1000, 1025, 1240, 1271, 1550, 1640, 1940, 2050, 2425, 2542, 3007, 3100, 3875, 3880, 3977, 4100, 4850, 5084, 5125, 6014, 6200, 6355, 7750, 7954, 8200, 9700, 10168, 10250, 12028, 12125, 12710, 15035, 15500, 15908, 19400, 19885, 20500, 24056, 24250, 25420, 30070, 31000, 31775, 31816, 39770, 41000, 48500, 50840, 60140, 63550, 75175, 79540, 97000, 99425, 120280, 123287, 127100, 150350, 158875, 159080, 198850, 246574, 254200, 300700, 317750, 375875, 397700, 493148, 497125, 601400, 616435, 635500, 751750, 795400, 986296, 994250, 1232870, 1271000, 1503500, 1988500, 2465740, 3007000, 3082175, 3977000, 4931480, 6164350, 12328700, 15410875, 24657400, 30821750, 61643500, 123287000]

約数ペア:

[(1, 123287000), (2, 61643500), (4, 30821750), (5, 24657400), (8, 15410875), (10, 12328700), (20, 6164350), (25, 4931480), (31, 3977000), (40, 3082175), (41, 3007000), (50, 2465740), (62, 1988500), (82, 1503500), (97, 1271000), (100, 1232870), (124, 994250), (125, 986296), (155, 795400), (164, 751750), (194, 635500), (200, 616435), (205, 601400), (248, 497125), (250, 493148), (310, 397700), (328, 375875), (388, 317750), (410, 300700), (485, 254200), (500, 246574), (620, 198850), (775, 159080), (776, 158875), (820, 150350), (970, 127100), (1000, 123287), (1025, 120280), (1240, 99425), (1271, 97000), (1550, 79540), (1640, 75175), (1940, 63550), (2050, 60140), (2425, 50840), (2542, 48500), (3007, 41000), (3100, 39770), (3875, 31816), (3880, 31775), (3977, 31000), (4100, 30070), (4850, 25420), (5084, 24250), (5125, 24056), (6014, 20500), (6200, 19885), (6355, 19400), (7750, 15908), (7954, 15500), (8200, 15035), (9700, 12710), (10168, 12125), (10250, 12028)]