9969990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{173}}^1$

素因数の和:313

約数の個数: 64

約数和(自身を含む): 25707456

約数和(自身を除く): 15737466

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 113, 170, 173, 226, 255, 339, 346, 510, 519, 565, 678, 865, 1038, 1130, 1695, 1730, 1921, 2595, 2941, 3390, 3842, 5190, 5763, 5882, 8823, 9605, 11526, 14705, 17646, 19210, 19549, 28815, 29410, 39098, 44115, 57630, 58647, 88230, 97745, 117294, 195490, 293235, 332333, 586470, 664666, 996999, 1661665, 1993998, 3323330, 4984995, 9969990]

約数ペア:

[(1, 9969990), (2, 4984995), (3, 3323330), (5, 1993998), (6, 1661665), (10, 996999), (15, 664666), (17, 586470), (30, 332333), (34, 293235), (51, 195490), (85, 117294), (102, 97745), (113, 88230), (170, 58647), (173, 57630), (226, 44115), (255, 39098), (339, 29410), (346, 28815), (510, 19549), (519, 19210), (565, 17646), (678, 14705), (865, 11526), (1038, 9605), (1130, 8823), (1695, 5882), (1730, 5763), (1921, 5190), (2595, 3842), (2941, 3390)]