139402480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2797}}^1$

素因数の和:2906

約数の個数: 80

約数和(自身を含む): 374708160

約数和(自身を除く): 235305680

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, 1246, 1424, 1780, 2492, 2797, 3115, 3560, 4984, 5594, 6230, 7120, 9968, 11188, 12460, 13985, 19579, 22376, 24920, 27970, 39158, 44752, 49840, 55940, 78316, 97895, 111880, 156632, 195790, 223760, 248933, 313264, 391580, 497866, 783160, 995732, 1244665, 1566320, 1742531, 1991464, 2489330, 3485062, 3982928, 4978660, 6970124, 8712655, 9957320, 13940248, 17425310, 19914640, 27880496, 34850620, 69701240, 139402480]

約数ペア:

[(1, 139402480), (2, 69701240), (4, 34850620), (5, 27880496), (7, 19914640), (8, 17425310), (10, 13940248), (14, 9957320), (16, 8712655), (20, 6970124), (28, 4978660), (35, 3982928), (40, 3485062), (56, 2489330), (70, 1991464), (80, 1742531), (89, 1566320), (112, 1244665), (140, 995732), (178, 783160), (280, 497866), (356, 391580), (445, 313264), (560, 248933), (623, 223760), (712, 195790), (890, 156632), (1246, 111880), (1424, 97895), (1780, 78316), (2492, 55940), (2797, 49840), (3115, 44752), (3560, 39158), (4984, 27970), (5594, 24920), (6230, 22376), (7120, 19579), (9968, 13985), (11188, 12460)]