210827710

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{191}}^1$

素因数の和:409

約数の個数: 64

約数和(自身を含む): 416047104

約数和(自身を除く): 205219394

約数列:

[1, 2, 5, 10, 17, 34, 43, 85, 86, 151, 170, 191, 215, 302, 382, 430, 731, 755, 955, 1462, 1510, 1910, 2567, 3247, 3655, 5134, 6493, 6494, 7310, 8213, 12835, 12986, 16235, 16426, 25670, 28841, 32465, 32470, 41065, 57682, 64930, 82130, 110381, 139621, 144205, 220762, 279242, 288410, 490297, 551905, 698105, 980594, 1103810, 1240163, 1396210, 2451485, 2480326, 4902970, 6200815, 12401630, 21082771, 42165542, 105413855, 210827710]

約数ペア:

[(1, 210827710), (2, 105413855), (5, 42165542), (10, 21082771), (17, 12401630), (34, 6200815), (43, 4902970), (85, 2480326), (86, 2451485), (151, 1396210), (170, 1240163), (191, 1103810), (215, 980594), (302, 698105), (382, 551905), (430, 490297), (731, 288410), (755, 279242), (955, 220762), (1462, 144205), (1510, 139621), (1910, 110381), (2567, 82130), (3247, 64930), (3655, 57682), (5134, 41065), (6493, 32470), (6494, 32465), (7310, 28841), (8213, 25670), (12835, 16426), (12986, 16235)]