210394940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{15493}}^1$

素因数の和:15606

約数の個数: 48

約数和(自身を含む): 510186432

約数和(自身を除く): 299791492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 140, 194, 388, 485, 679, 970, 1358, 1940, 2716, 3395, 6790, 13580, 15493, 30986, 61972, 77465, 108451, 154930, 216902, 309860, 433804, 542255, 1084510, 1502821, 2169020, 3005642, 6011284, 7514105, 10519747, 15028210, 21039494, 30056420, 42078988, 52598735, 105197470, 210394940]

約数ペア:

[(1, 210394940), (2, 105197470), (4, 52598735), (5, 42078988), (7, 30056420), (10, 21039494), (14, 15028210), (20, 10519747), (28, 7514105), (35, 6011284), (70, 3005642), (97, 2169020), (140, 1502821), (194, 1084510), (388, 542255), (485, 433804), (679, 309860), (970, 216902), (1358, 154930), (1940, 108451), (2716, 77465), (3395, 61972), (6790, 30986), (13580, 15493)]