49690480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{997}}^1$

素因数の和:1106

約数の個数: 80

約数和(自身を含む): 133652160

約数和(自身を除く): 83961680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 89, 112, 140, 178, 280, 356, 445, 560, 623, 712, 890, 997, 1246, 1424, 1780, 1994, 2492, 3115, 3560, 3988, 4984, 4985, 6230, 6979, 7120, 7976, 9968, 9970, 12460, 13958, 15952, 19940, 24920, 27916, 34895, 39880, 49840, 55832, 69790, 79760, 88733, 111664, 139580, 177466, 279160, 354932, 443665, 558320, 621131, 709864, 887330, 1242262, 1419728, 1774660, 2484524, 3105655, 3549320, 4969048, 6211310, 7098640, 9938096, 12422620, 24845240, 49690480]

約数ペア:

[(1, 49690480), (2, 24845240), (4, 12422620), (5, 9938096), (7, 7098640), (8, 6211310), (10, 4969048), (14, 3549320), (16, 3105655), (20, 2484524), (28, 1774660), (35, 1419728), (40, 1242262), (56, 887330), (70, 709864), (80, 621131), (89, 558320), (112, 443665), (140, 354932), (178, 279160), (280, 177466), (356, 139580), (445, 111664), (560, 88733), (623, 79760), (712, 69790), (890, 55832), (997, 49840), (1246, 39880), (1424, 34895), (1780, 27916), (1994, 24920), (2492, 19940), (3115, 15952), (3560, 13958), (3988, 12460), (4984, 9970), (4985, 9968), (6230, 7976), (6979, 7120)]