407115560

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1\times {\mathrm{827}}^1$

素因数の和:1266

約数の個数: 64

約数和(自身を含む): 949086720

約数和(自身を除く): 541971160

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 397, 620, 794, 827, 1240, 1588, 1654, 1985, 3176, 3308, 3970, 4135, 6616, 7940, 8270, 12307, 15880, 16540, 24614, 25637, 33080, 49228, 51274, 61535, 98456, 102548, 123070, 128185, 205096, 246140, 256370, 328319, 492280, 512740, 656638, 1025480, 1313276, 1641595, 2626552, 3283190, 6566380, 10177889, 13132760, 20355778, 40711556, 50889445, 81423112, 101778890, 203557780, 407115560]

約数ペア:

[(1, 407115560), (2, 203557780), (4, 101778890), (5, 81423112), (8, 50889445), (10, 40711556), (20, 20355778), (31, 13132760), (40, 10177889), (62, 6566380), (124, 3283190), (155, 2626552), (248, 1641595), (310, 1313276), (397, 1025480), (620, 656638), (794, 512740), (827, 492280), (1240, 328319), (1588, 256370), (1654, 246140), (1985, 205096), (3176, 128185), (3308, 123070), (3970, 102548), (4135, 98456), (6616, 61535), (7940, 51274), (8270, 49228), (12307, 33080), (15880, 25637), (16540, 24614)]