215577670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{1879}}^1$

素因数の和:2053

約数の個数: 64

約数和(自身を含む): 487296000

約数和(自身を除く): 271718330

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 149, 154, 298, 385, 745, 770, 1043, 1490, 1639, 1879, 2086, 3278, 3758, 5215, 8195, 9395, 10430, 11473, 13153, 16390, 18790, 20669, 22946, 26306, 41338, 57365, 65765, 103345, 114730, 131530, 144683, 206690, 279971, 289366, 559942, 723415, 1399855, 1446830, 1959797, 2799710, 3079681, 3919594, 6159362, 9798985, 15398405, 19597970, 21557767, 30796810, 43115534, 107788835, 215577670]

約数ペア:

[(1, 215577670), (2, 107788835), (5, 43115534), (7, 30796810), (10, 21557767), (11, 19597970), (14, 15398405), (22, 9798985), (35, 6159362), (55, 3919594), (70, 3079681), (77, 2799710), (110, 1959797), (149, 1446830), (154, 1399855), (298, 723415), (385, 559942), (745, 289366), (770, 279971), (1043, 206690), (1490, 144683), (1639, 131530), (1879, 114730), (2086, 103345), (3278, 65765), (3758, 57365), (5215, 41338), (8195, 26306), (9395, 22946), (10430, 20669), (11473, 18790), (13153, 16390)]