208247900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4877}}^1$

素因数の和:4959

約数の個数: 72

約数和(自身を含む): 525028896

約数和(自身を除く): 316780996

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 61, 70, 100, 122, 140, 175, 244, 305, 350, 427, 610, 700, 854, 1220, 1525, 1708, 2135, 3050, 4270, 4877, 6100, 8540, 9754, 10675, 19508, 21350, 24385, 34139, 42700, 48770, 68278, 97540, 121925, 136556, 170695, 243850, 297497, 341390, 487700, 594994, 682780, 853475, 1189988, 1487485, 1706950, 2082479, 2974970, 3413900, 4164958, 5949940, 7437425, 8329916, 10412395, 14874850, 20824790, 29749700, 41649580, 52061975, 104123950, 208247900]

約数ペア:

[(1, 208247900), (2, 104123950), (4, 52061975), (5, 41649580), (7, 29749700), (10, 20824790), (14, 14874850), (20, 10412395), (25, 8329916), (28, 7437425), (35, 5949940), (50, 4164958), (61, 3413900), (70, 2974970), (100, 2082479), (122, 1706950), (140, 1487485), (175, 1189988), (244, 853475), (305, 682780), (350, 594994), (427, 487700), (610, 341390), (700, 297497), (854, 243850), (1220, 170695), (1525, 136556), (1708, 121925), (2135, 97540), (3050, 68278), (4270, 48770), (4877, 42700), (6100, 34139), (8540, 24385), (9754, 21350), (10675, 19508)]