72277900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{349}}^1$

素因数の和:491

約数の個数: 72

約数和(自身を含む): 167090000

約数和(自身を除く): 94812100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 109, 190, 218, 349, 380, 436, 475, 545, 698, 950, 1090, 1396, 1745, 1900, 2071, 2180, 2725, 3490, 4142, 5450, 6631, 6980, 8284, 8725, 10355, 10900, 13262, 17450, 20710, 26524, 33155, 34900, 38041, 41420, 51775, 66310, 76082, 103550, 132620, 152164, 165775, 190205, 207100, 331550, 380410, 663100, 722779, 760820, 951025, 1445558, 1902050, 2891116, 3613895, 3804100, 7227790, 14455580, 18069475, 36138950, 72277900]

約数ペア:

[(1, 72277900), (2, 36138950), (4, 18069475), (5, 14455580), (10, 7227790), (19, 3804100), (20, 3613895), (25, 2891116), (38, 1902050), (50, 1445558), (76, 951025), (95, 760820), (100, 722779), (109, 663100), (190, 380410), (218, 331550), (349, 207100), (380, 190205), (436, 165775), (475, 152164), (545, 132620), (698, 103550), (950, 76082), (1090, 66310), (1396, 51775), (1745, 41420), (1900, 38041), (2071, 34900), (2180, 33155), (2725, 26524), (3490, 20710), (4142, 17450), (5450, 13262), (6631, 10900), (6980, 10355), (8284, 8725)]