101521840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{911}}^1$

素因数の和:1130

約数の個数: 80

約数和(自身を含む): 271411200

約数和(自身を除く): 169889360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 199, 280, 398, 560, 796, 911, 995, 1393, 1592, 1822, 1990, 2786, 3184, 3644, 3980, 4555, 5572, 6377, 6965, 7288, 7960, 9110, 11144, 12754, 13930, 14576, 15920, 18220, 22288, 25508, 27860, 31885, 36440, 51016, 55720, 63770, 72880, 102032, 111440, 127540, 181289, 255080, 362578, 510160, 725156, 906445, 1269023, 1450312, 1812890, 2538046, 2900624, 3625780, 5076092, 6345115, 7251560, 10152184, 12690230, 14503120, 20304368, 25380460, 50760920, 101521840]

約数ペア:

[(1, 101521840), (2, 50760920), (4, 25380460), (5, 20304368), (7, 14503120), (8, 12690230), (10, 10152184), (14, 7251560), (16, 6345115), (20, 5076092), (28, 3625780), (35, 2900624), (40, 2538046), (56, 1812890), (70, 1450312), (80, 1269023), (112, 906445), (140, 725156), (199, 510160), (280, 362578), (398, 255080), (560, 181289), (796, 127540), (911, 111440), (995, 102032), (1393, 72880), (1592, 63770), (1822, 55720), (1990, 51016), (2786, 36440), (3184, 31885), (3644, 27860), (3980, 25508), (4555, 22288), (5572, 18220), (6377, 15920), (6965, 14576), (7288, 13930), (7960, 12754), (9110, 11144)]