208845700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:222

約数の個数: 144

約数和(自身を含む): 541604224

約数和(自身を除く): 332758524

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 61, 67, 70, 73, 100, 122, 134, 140, 146, 175, 244, 268, 292, 305, 335, 350, 365, 427, 469, 511, 610, 670, 700, 730, 854, 938, 1022, 1220, 1340, 1460, 1525, 1675, 1708, 1825, 1876, 2044, 2135, 2345, 2555, 3050, 3350, 3650, 4087, 4270, 4453, 4690, 4891, 5110, 6100, 6700, 7300, 8174, 8540, 8906, 9380, 9782, 10220, 10675, 11725, 12775, 16348, 17812, 19564, 20435, 21350, 22265, 23450, 24455, 25550, 28609, 31171, 34237, 40870, 42700, 44530, 46900, 48910, 51100, 57218, 62342, 68474, 81740, 89060, 97820, 102175, 111325, 114436, 122275, 124684, 136948, 143045, 155855, 171185, 204350, 222650, 244550, 286090, 298351, 311710, 342370, 408700, 445300, 489100, 572180, 596702, 623420, 684740, 715225, 779275, 855925, 1193404, 1430450, 1491755, 1558550, 1711850, 2088457, 2860900, 2983510, 3117100, 3423700, 4176914, 5967020, 7458775, 8353828, 10442285, 14917550, 20884570, 29835100, 41769140, 52211425, 104422850, 208845700]

約数ペア:

[(1, 208845700), (2, 104422850), (4, 52211425), (5, 41769140), (7, 29835100), (10, 20884570), (14, 14917550), (20, 10442285), (25, 8353828), (28, 7458775), (35, 5967020), (50, 4176914), (61, 3423700), (67, 3117100), (70, 2983510), (73, 2860900), (100, 2088457), (122, 1711850), (134, 1558550), (140, 1491755), (146, 1430450), (175, 1193404), (244, 855925), (268, 779275), (292, 715225), (305, 684740), (335, 623420), (350, 596702), (365, 572180), (427, 489100), (469, 445300), (511, 408700), (610, 342370), (670, 311710), (700, 298351), (730, 286090), (854, 244550), (938, 222650), (1022, 204350), (1220, 171185), (1340, 155855), (1460, 143045), (1525, 136948), (1675, 124684), (1708, 122275), (1825, 114436), (1876, 111325), (2044, 102175), (2135, 97820), (2345, 89060), (2555, 81740), (3050, 68474), (3350, 62342), (3650, 57218), (4087, 51100), (4270, 48910), (4453, 46900), (4690, 44530), (4891, 42700), (5110, 40870), (6100, 34237), (6700, 31171), (7300, 28609), (8174, 25550), (8540, 24455), (8906, 23450), (9380, 22265), (9782, 21350), (10220, 20435), (10675, 19564), (11725, 17812), (12775, 16348)]