223897990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{281}}^1$

素因数の和:457

約数の個数: 64

約数和(自身を含む): 442221120

約数和(自身を除く): 218323130

約数列:

[1, 2, 5, 10, 17, 34, 43, 85, 86, 109, 170, 215, 218, 281, 430, 545, 562, 731, 1090, 1405, 1462, 1853, 2810, 3655, 3706, 4687, 4777, 7310, 9265, 9374, 9554, 12083, 18530, 23435, 23885, 24166, 30629, 46870, 47770, 60415, 61258, 79679, 120830, 153145, 159358, 205411, 306290, 398395, 410822, 520693, 796790, 1027055, 1041386, 1317047, 2054110, 2603465, 2634094, 5206930, 6585235, 13170470, 22389799, 44779598, 111948995, 223897990]

約数ペア:

[(1, 223897990), (2, 111948995), (5, 44779598), (10, 22389799), (17, 13170470), (34, 6585235), (43, 5206930), (85, 2634094), (86, 2603465), (109, 2054110), (170, 1317047), (215, 1041386), (218, 1027055), (281, 796790), (430, 520693), (545, 410822), (562, 398395), (731, 306290), (1090, 205411), (1405, 159358), (1462, 153145), (1853, 120830), (2810, 79679), (3655, 61258), (3706, 60415), (4687, 47770), (4777, 46870), (7310, 30629), (9265, 24166), (9374, 23885), (9554, 23435), (12083, 18530)]