657189830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1\times {\mathrm{397}}^1$

素因数の和:665

約数の個数: 64

約数和(自身を含む): 1315310400

約数和(自身を除く): 658120570

約数列:

[1, 2, 5, 10, 11, 22, 55, 101, 110, 149, 202, 298, 397, 505, 745, 794, 1010, 1111, 1490, 1639, 1985, 2222, 3278, 3970, 4367, 5555, 8195, 8734, 11110, 15049, 16390, 21835, 30098, 40097, 43670, 59153, 75245, 80194, 118306, 150490, 165539, 200485, 295765, 331078, 400970, 441067, 591530, 650683, 827695, 882134, 1301366, 1655390, 2205335, 3253415, 4410670, 5974453, 6506830, 11948906, 29872265, 59744530, 65718983, 131437966, 328594915, 657189830]

約数ペア:

[(1, 657189830), (2, 328594915), (5, 131437966), (10, 65718983), (11, 59744530), (22, 29872265), (55, 11948906), (101, 6506830), (110, 5974453), (149, 4410670), (202, 3253415), (298, 2205335), (397, 1655390), (505, 1301366), (745, 882134), (794, 827695), (1010, 650683), (1111, 591530), (1490, 441067), (1639, 400970), (1985, 331078), (2222, 295765), (3278, 200485), (3970, 165539), (4367, 150490), (5555, 118306), (8195, 80194), (8734, 75245), (11110, 59153), (15049, 43670), (16390, 40097), (21835, 30098)]