155409700

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{349}}^1$

素因数の和:497

約数の個数: 72

約数和(自身を含む): 348458600

約数和(自身を除く): 193048900

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 73, 100, 122, 146, 244, 292, 305, 349, 365, 610, 698, 730, 1220, 1396, 1460, 1525, 1745, 1825, 3050, 3490, 3650, 4453, 6100, 6980, 7300, 8725, 8906, 17450, 17812, 21289, 22265, 25477, 34900, 42578, 44530, 50954, 85156, 89060, 101908, 106445, 111325, 127385, 212890, 222650, 254770, 425780, 445300, 509540, 532225, 636925, 1064450, 1273850, 1554097, 2128900, 2547700, 3108194, 6216388, 7770485, 15540970, 31081940, 38852425, 77704850, 155409700]

約数ペア:

[(1, 155409700), (2, 77704850), (4, 38852425), (5, 31081940), (10, 15540970), (20, 7770485), (25, 6216388), (50, 3108194), (61, 2547700), (73, 2128900), (100, 1554097), (122, 1273850), (146, 1064450), (244, 636925), (292, 532225), (305, 509540), (349, 445300), (365, 425780), (610, 254770), (698, 222650), (730, 212890), (1220, 127385), (1396, 111325), (1460, 106445), (1525, 101908), (1745, 89060), (1825, 85156), (3050, 50954), (3490, 44530), (3650, 42578), (4453, 34900), (6100, 25477), (6980, 22265), (7300, 21289), (8725, 17812), (8906, 17450)]