199964480

素因数分解:

$2^6\times 5^1\times {\mathrm{179}}^1\times {\mathrm{3491}}^1$

素因数の和:3687

約数の個数: 56

約数和(自身を含む): 478962720

約数和(自身を除く): 278998240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 179, 320, 358, 716, 895, 1432, 1790, 2864, 3491, 3580, 5728, 6982, 7160, 11456, 13964, 14320, 17455, 27928, 28640, 34910, 55856, 57280, 69820, 111712, 139640, 223424, 279280, 558560, 624889, 1117120, 1249778, 2499556, 3124445, 4999112, 6248890, 9998224, 12497780, 19996448, 24995560, 39992896, 49991120, 99982240, 199964480]

約数ペア:

[(1, 199964480), (2, 99982240), (4, 49991120), (5, 39992896), (8, 24995560), (10, 19996448), (16, 12497780), (20, 9998224), (32, 6248890), (40, 4999112), (64, 3124445), (80, 2499556), (160, 1249778), (179, 1117120), (320, 624889), (358, 558560), (716, 279280), (895, 223424), (1432, 139640), (1790, 111712), (2864, 69820), (3491, 57280), (3580, 55856), (5728, 34910), (6982, 28640), (7160, 27928), (11456, 17455), (13964, 14320)]