9821000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:112

約数の個数: 128

約数和(自身を含む): 27855360

約数和(自身を除く): 18034360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 25, 28, 35, 40, 46, 50, 56, 61, 70, 92, 100, 115, 122, 125, 140, 161, 175, 184, 200, 230, 244, 250, 280, 305, 322, 350, 427, 460, 488, 500, 575, 610, 644, 700, 805, 854, 875, 920, 1000, 1150, 1220, 1288, 1400, 1403, 1525, 1610, 1708, 1750, 2135, 2300, 2440, 2806, 2875, 3050, 3220, 3416, 3500, 4025, 4270, 4600, 5612, 5750, 6100, 6440, 7000, 7015, 7625, 8050, 8540, 9821, 10675, 11224, 11500, 12200, 14030, 15250, 16100, 17080, 19642, 20125, 21350, 23000, 28060, 30500, 32200, 35075, 39284, 40250, 42700, 49105, 53375, 56120, 61000, 70150, 78568, 80500, 85400, 98210, 106750, 140300, 161000, 175375, 196420, 213500, 245525, 280600, 350750, 392840, 427000, 491050, 701500, 982100, 1227625, 1403000, 1964200, 2455250, 4910500, 9821000]

約数ペア:

[(1, 9821000), (2, 4910500), (4, 2455250), (5, 1964200), (7, 1403000), (8, 1227625), (10, 982100), (14, 701500), (20, 491050), (23, 427000), (25, 392840), (28, 350750), (35, 280600), (40, 245525), (46, 213500), (50, 196420), (56, 175375), (61, 161000), (70, 140300), (92, 106750), (100, 98210), (115, 85400), (122, 80500), (125, 78568), (140, 70150), (161, 61000), (175, 56120), (184, 53375), (200, 49105), (230, 42700), (244, 40250), (250, 39284), (280, 35075), (305, 32200), (322, 30500), (350, 28060), (427, 23000), (460, 21350), (488, 20125), (500, 19642), (575, 17080), (610, 16100), (644, 15250), (700, 14030), (805, 12200), (854, 11500), (875, 11224), (920, 10675), (1000, 9821), (1150, 8540), (1220, 8050), (1288, 7625), (1400, 7015), (1403, 7000), (1525, 6440), (1610, 6100), (1708, 5750), (1750, 5612), (2135, 4600), (2300, 4270), (2440, 4025), (2806, 3500), (2875, 3416), (3050, 3220)]