201442960

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1889}}^1$

素因数の和:1976

約数の個数: 80

約数和(自身を含む): 494968320

約数和(自身を除く): 293525360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 43, 62, 80, 86, 124, 155, 172, 215, 248, 310, 344, 430, 496, 620, 688, 860, 1240, 1333, 1720, 1889, 2480, 2666, 3440, 3778, 5332, 6665, 7556, 9445, 10664, 13330, 15112, 18890, 21328, 26660, 30224, 37780, 53320, 58559, 75560, 81227, 106640, 117118, 151120, 162454, 234236, 292795, 324908, 406135, 468472, 585590, 649816, 812270, 936944, 1171180, 1299632, 1624540, 2342360, 2518037, 3249080, 4684720, 5036074, 6498160, 10072148, 12590185, 20144296, 25180370, 40288592, 50360740, 100721480, 201442960]

約数ペア:

[(1, 201442960), (2, 100721480), (4, 50360740), (5, 40288592), (8, 25180370), (10, 20144296), (16, 12590185), (20, 10072148), (31, 6498160), (40, 5036074), (43, 4684720), (62, 3249080), (80, 2518037), (86, 2342360), (124, 1624540), (155, 1299632), (172, 1171180), (215, 936944), (248, 812270), (310, 649816), (344, 585590), (430, 468472), (496, 406135), (620, 324908), (688, 292795), (860, 234236), (1240, 162454), (1333, 151120), (1720, 117118), (1889, 106640), (2480, 81227), (2666, 75560), (3440, 58559), (3778, 53320), (5332, 37780), (6665, 30224), (7556, 26660), (9445, 21328), (10664, 18890), (13330, 15112)]