142429280

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{491}}^1$

素因数の和:557

約数の個数: 144

約数和(自身を含む): 402824016

約数和(自身を除く): 260394736

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 49, 56, 70, 74, 80, 98, 112, 140, 148, 160, 185, 196, 224, 245, 259, 280, 296, 370, 392, 490, 491, 518, 560, 592, 740, 784, 980, 982, 1036, 1120, 1184, 1295, 1480, 1568, 1813, 1960, 1964, 2072, 2455, 2590, 2960, 3437, 3626, 3920, 3928, 4144, 4910, 5180, 5920, 6874, 7252, 7840, 7856, 8288, 9065, 9820, 10360, 13748, 14504, 15712, 17185, 18130, 18167, 19640, 20720, 24059, 27496, 29008, 34370, 36260, 36334, 39280, 41440, 48118, 54992, 58016, 68740, 72520, 72668, 78560, 90835, 96236, 109984, 120295, 127169, 137480, 145040, 145336, 181670, 192472, 240590, 254338, 274960, 290080, 290672, 363340, 384944, 481180, 508676, 549920, 581344, 635845, 726680, 769888, 890183, 962360, 1017352, 1271690, 1453360, 1780366, 1924720, 2034704, 2543380, 2906720, 3560732, 3849440, 4069408, 4450915, 5086760, 7121464, 8901830, 10173520, 14242928, 17803660, 20347040, 28485856, 35607320, 71214640, 142429280]

約数ペア:

[(1, 142429280), (2, 71214640), (4, 35607320), (5, 28485856), (7, 20347040), (8, 17803660), (10, 14242928), (14, 10173520), (16, 8901830), (20, 7121464), (28, 5086760), (32, 4450915), (35, 4069408), (37, 3849440), (40, 3560732), (49, 2906720), (56, 2543380), (70, 2034704), (74, 1924720), (80, 1780366), (98, 1453360), (112, 1271690), (140, 1017352), (148, 962360), (160, 890183), (185, 769888), (196, 726680), (224, 635845), (245, 581344), (259, 549920), (280, 508676), (296, 481180), (370, 384944), (392, 363340), (490, 290672), (491, 290080), (518, 274960), (560, 254338), (592, 240590), (740, 192472), (784, 181670), (980, 145336), (982, 145040), (1036, 137480), (1120, 127169), (1184, 120295), (1295, 109984), (1480, 96236), (1568, 90835), (1813, 78560), (1960, 72668), (1964, 72520), (2072, 68740), (2455, 58016), (2590, 54992), (2960, 48118), (3437, 41440), (3626, 39280), (3920, 36334), (3928, 36260), (4144, 34370), (4910, 29008), (5180, 27496), (5920, 24059), (6874, 20720), (7252, 19640), (7840, 18167), (7856, 18130), (8288, 17185), (9065, 15712), (9820, 14504), (10360, 13748)]