978825000

素因数分解:

$2^3\times 3^1\times 5^5\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:486

約数の個数: 192

約数和(自身を含む): 3164797440

約数和(自身を除く): 2185972440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 31, 40, 50, 60, 62, 75, 93, 100, 120, 124, 125, 150, 155, 186, 200, 248, 250, 300, 310, 372, 375, 421, 465, 500, 600, 620, 625, 744, 750, 775, 842, 930, 1000, 1240, 1250, 1263, 1500, 1550, 1684, 1860, 1875, 2105, 2325, 2500, 2526, 3000, 3100, 3125, 3368, 3720, 3750, 3875, 4210, 4650, 5000, 5052, 6200, 6250, 6315, 7500, 7750, 8420, 9300, 9375, 10104, 10525, 11625, 12500, 12630, 13051, 15000, 15500, 16840, 18600, 18750, 19375, 21050, 23250, 25000, 25260, 26102, 31000, 31575, 37500, 38750, 39153, 42100, 46500, 50520, 52204, 52625, 58125, 63150, 65255, 75000, 77500, 78306, 84200, 93000, 96875, 104408, 105250, 116250, 126300, 130510, 155000, 156612, 157875, 193750, 195765, 210500, 232500, 252600, 261020, 263125, 290625, 313224, 315750, 326275, 387500, 391530, 421000, 465000, 522040, 526250, 581250, 631500, 652550, 775000, 783060, 789375, 978825, 1052500, 1162500, 1263000, 1305100, 1315625, 1566120, 1578750, 1631375, 1957650, 2105000, 2325000, 2610200, 2631250, 3157500, 3262750, 3915300, 3946875, 4894125, 5262500, 6315000, 6525500, 7830600, 7893750, 8156875, 9788250, 10525000, 13051000, 15787500, 16313750, 19576500, 24470625, 31575000, 32627500, 39153000, 40784375, 48941250, 65255000, 81568750, 97882500, 122353125, 163137500, 195765000, 244706250, 326275000, 489412500, 978825000]

約数ペア:

[(1, 978825000), (2, 489412500), (3, 326275000), (4, 244706250), (5, 195765000), (6, 163137500), (8, 122353125), (10, 97882500), (12, 81568750), (15, 65255000), (20, 48941250), (24, 40784375), (25, 39153000), (30, 32627500), (31, 31575000), (40, 24470625), (50, 19576500), (60, 16313750), (62, 15787500), (75, 13051000), (93, 10525000), (100, 9788250), (120, 8156875), (124, 7893750), (125, 7830600), (150, 6525500), (155, 6315000), (186, 5262500), (200, 4894125), (248, 3946875), (250, 3915300), (300, 3262750), (310, 3157500), (372, 2631250), (375, 2610200), (421, 2325000), (465, 2105000), (500, 1957650), (600, 1631375), (620, 1578750), (625, 1566120), (744, 1315625), (750, 1305100), (775, 1263000), (842, 1162500), (930, 1052500), (1000, 978825), (1240, 789375), (1250, 783060), (1263, 775000), (1500, 652550), (1550, 631500), (1684, 581250), (1860, 526250), (1875, 522040), (2105, 465000), (2325, 421000), (2500, 391530), (2526, 387500), (3000, 326275), (3100, 315750), (3125, 313224), (3368, 290625), (3720, 263125), (3750, 261020), (3875, 252600), (4210, 232500), (4650, 210500), (5000, 195765), (5052, 193750), (6200, 157875), (6250, 156612), (6315, 155000), (7500, 130510), (7750, 126300), (8420, 116250), (9300, 105250), (9375, 104408), (10104, 96875), (10525, 93000), (11625, 84200), (12500, 78306), (12630, 77500), (13051, 75000), (15000, 65255), (15500, 63150), (16840, 58125), (18600, 52625), (18750, 52204), (19375, 50520), (21050, 46500), (23250, 42100), (25000, 39153), (25260, 38750), (26102, 37500), (31000, 31575)]