399568890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{3907}}^1$

素因数の和:4411

約数の個数: 64

約数和(自身を含む): 1098491904

約数和(自身を除く): 698923014

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 487, 974, 1461, 2435, 2922, 3409, 3907, 4870, 6818, 7305, 7814, 10227, 11721, 14610, 17045, 19535, 20454, 23442, 27349, 34090, 39070, 51135, 54698, 58605, 82047, 102270, 117210, 136745, 164094, 273490, 410235, 820470, 1902709, 3805418, 5708127, 9513545, 11416254, 13318963, 19027090, 26637926, 28540635, 39956889, 57081270, 66594815, 79913778, 133189630, 199784445, 399568890]

約数ペア:

[(1, 399568890), (2, 199784445), (3, 133189630), (5, 79913778), (6, 66594815), (7, 57081270), (10, 39956889), (14, 28540635), (15, 26637926), (21, 19027090), (30, 13318963), (35, 11416254), (42, 9513545), (70, 5708127), (105, 3805418), (210, 1902709), (487, 820470), (974, 410235), (1461, 273490), (2435, 164094), (2922, 136745), (3409, 117210), (3907, 102270), (4870, 82047), (6818, 58605), (7305, 54698), (7814, 51135), (10227, 39070), (11721, 34090), (14610, 27349), (17045, 23442), (19535, 20454)]