2780400

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{331}}^1$

素因数の和:359

約数の個数: 120

約数和(自身を含む): 10209664

約数和(自身を除く): 7429264

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 35, 40, 42, 48, 50, 56, 60, 70, 75, 80, 84, 100, 105, 112, 120, 140, 150, 168, 175, 200, 210, 240, 280, 300, 331, 336, 350, 400, 420, 525, 560, 600, 662, 700, 840, 993, 1050, 1200, 1324, 1400, 1655, 1680, 1986, 2100, 2317, 2648, 2800, 3310, 3972, 4200, 4634, 4965, 5296, 6620, 6951, 7944, 8275, 8400, 9268, 9930, 11585, 13240, 13902, 15888, 16550, 18536, 19860, 23170, 24825, 26480, 27804, 33100, 34755, 37072, 39720, 46340, 49650, 55608, 57925, 66200, 69510, 79440, 92680, 99300, 111216, 115850, 132400, 139020, 173775, 185360, 198600, 231700, 278040, 347550, 397200, 463400, 556080, 695100, 926800, 1390200, 2780400]

約数ペア:

[(1, 2780400), (2, 1390200), (3, 926800), (4, 695100), (5, 556080), (6, 463400), (7, 397200), (8, 347550), (10, 278040), (12, 231700), (14, 198600), (15, 185360), (16, 173775), (20, 139020), (21, 132400), (24, 115850), (25, 111216), (28, 99300), (30, 92680), (35, 79440), (40, 69510), (42, 66200), (48, 57925), (50, 55608), (56, 49650), (60, 46340), (70, 39720), (75, 37072), (80, 34755), (84, 33100), (100, 27804), (105, 26480), (112, 24825), (120, 23170), (140, 19860), (150, 18536), (168, 16550), (175, 15888), (200, 13902), (210, 13240), (240, 11585), (280, 9930), (300, 9268), (331, 8400), (336, 8275), (350, 7944), (400, 6951), (420, 6620), (525, 5296), (560, 4965), (600, 4634), (662, 4200), (700, 3972), (840, 3310), (993, 2800), (1050, 2648), (1200, 2317), (1324, 2100), (1400, 1986), (1655, 1680)]