239968430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{4721}}^1$

素因数の和:4781

約数の個数: 64

約数和(自身を含む): 514055808

約数和(自身を除く): 274087378

約数列:

[1, 2, 5, 10, 13, 17, 23, 26, 34, 46, 65, 85, 115, 130, 170, 221, 230, 299, 391, 442, 598, 782, 1105, 1495, 1955, 2210, 2990, 3910, 4721, 5083, 9442, 10166, 23605, 25415, 47210, 50830, 61373, 80257, 108583, 122746, 160514, 217166, 306865, 401285, 542915, 613730, 802570, 1043341, 1085830, 1411579, 1845911, 2086682, 2823158, 3691822, 5216705, 7057895, 9229555, 10433410, 14115790, 18459110, 23996843, 47993686, 119984215, 239968430]

約数ペア:

[(1, 239968430), (2, 119984215), (5, 47993686), (10, 23996843), (13, 18459110), (17, 14115790), (23, 10433410), (26, 9229555), (34, 7057895), (46, 5216705), (65, 3691822), (85, 2823158), (115, 2086682), (130, 1845911), (170, 1411579), (221, 1085830), (230, 1043341), (299, 802570), (391, 613730), (442, 542915), (598, 401285), (782, 306865), (1105, 217166), (1495, 160514), (1955, 122746), (2210, 108583), (2990, 80257), (3910, 61373), (4721, 50830), (5083, 47210), (9442, 25415), (10166, 23605)]