388244000

素因数分解:

$2^5\times 5^3\times {\mathrm{31}}^2\times {\mathrm{101}}^1$

素因数の和:188

約数の個数: 144

約数和(自身を含む): 995438808

約数和(自身を除く): 607194808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 80, 100, 101, 124, 125, 155, 160, 200, 202, 248, 250, 310, 400, 404, 496, 500, 505, 620, 775, 800, 808, 961, 992, 1000, 1010, 1240, 1550, 1616, 1922, 2000, 2020, 2480, 2525, 3100, 3131, 3232, 3844, 3875, 4000, 4040, 4805, 4960, 5050, 6200, 6262, 7688, 7750, 8080, 9610, 10100, 12400, 12524, 12625, 15376, 15500, 15655, 16160, 19220, 20200, 24025, 24800, 25048, 25250, 30752, 31000, 31310, 38440, 40400, 48050, 50096, 50500, 62000, 62620, 76880, 78275, 80800, 96100, 97061, 100192, 101000, 120125, 124000, 125240, 153760, 156550, 192200, 194122, 202000, 240250, 250480, 313100, 384400, 388244, 391375, 404000, 480500, 485305, 500960, 626200, 768800, 776488, 782750, 961000, 970610, 1252400, 1552976, 1565500, 1922000, 1941220, 2426525, 2504800, 3105952, 3131000, 3844000, 3882440, 4853050, 6262000, 7764880, 9706100, 12132625, 12524000, 15529760, 19412200, 24265250, 38824400, 48530500, 77648800, 97061000, 194122000, 388244000]

約数ペア:

[(1, 388244000), (2, 194122000), (4, 97061000), (5, 77648800), (8, 48530500), (10, 38824400), (16, 24265250), (20, 19412200), (25, 15529760), (31, 12524000), (32, 12132625), (40, 9706100), (50, 7764880), (62, 6262000), (80, 4853050), (100, 3882440), (101, 3844000), (124, 3131000), (125, 3105952), (155, 2504800), (160, 2426525), (200, 1941220), (202, 1922000), (248, 1565500), (250, 1552976), (310, 1252400), (400, 970610), (404, 961000), (496, 782750), (500, 776488), (505, 768800), (620, 626200), (775, 500960), (800, 485305), (808, 480500), (961, 404000), (992, 391375), (1000, 388244), (1010, 384400), (1240, 313100), (1550, 250480), (1616, 240250), (1922, 202000), (2000, 194122), (2020, 192200), (2480, 156550), (2525, 153760), (3100, 125240), (3131, 124000), (3232, 120125), (3844, 101000), (3875, 100192), (4000, 97061), (4040, 96100), (4805, 80800), (4960, 78275), (5050, 76880), (6200, 62620), (6262, 62000), (7688, 50500), (7750, 50096), (8080, 48050), (9610, 40400), (10100, 38440), (12400, 31310), (12524, 31000), (12625, 30752), (15376, 25250), (15500, 25048), (15655, 24800), (16160, 24025), (19220, 20200)]