978342640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{35863}}^1$

素因数の和:35918

約数の個数: 80

約数和(自身を含む): 2561550336

約数和(自身を除く): 1583207696

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 620, 682, 880, 1240, 1364, 1705, 2480, 2728, 3410, 5456, 6820, 13640, 27280, 35863, 71726, 143452, 179315, 286904, 358630, 394493, 573808, 717260, 788986, 1111753, 1434520, 1577972, 1972465, 2223506, 2869040, 3155944, 3944930, 4447012, 5558765, 6311888, 7889860, 8894024, 11117530, 12229283, 15779720, 17788048, 22235060, 24458566, 31559440, 44470120, 48917132, 61146415, 88940240, 97834264, 122292830, 195668528, 244585660, 489171320, 978342640]

約数ペア:

[(1, 978342640), (2, 489171320), (4, 244585660), (5, 195668528), (8, 122292830), (10, 97834264), (11, 88940240), (16, 61146415), (20, 48917132), (22, 44470120), (31, 31559440), (40, 24458566), (44, 22235060), (55, 17788048), (62, 15779720), (80, 12229283), (88, 11117530), (110, 8894024), (124, 7889860), (155, 6311888), (176, 5558765), (220, 4447012), (248, 3944930), (310, 3155944), (341, 2869040), (440, 2223506), (496, 1972465), (620, 1577972), (682, 1434520), (880, 1111753), (1240, 788986), (1364, 717260), (1705, 573808), (2480, 394493), (2728, 358630), (3410, 286904), (5456, 179315), (6820, 143452), (13640, 71726), (27280, 35863)]