7731220

素因数分解:

$2^2\times 5^1\times 7^5\times {\mathrm{23}}^1$

素因数の和:67

約数の個数: 72

約数和(自身を含む): 19764864

約数和(自身を除く): 12033644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 196, 230, 245, 322, 343, 460, 490, 644, 686, 805, 980, 1127, 1372, 1610, 1715, 2254, 2401, 3220, 3430, 4508, 4802, 5635, 6860, 7889, 9604, 11270, 12005, 15778, 16807, 22540, 24010, 31556, 33614, 39445, 48020, 55223, 67228, 78890, 84035, 110446, 157780, 168070, 220892, 276115, 336140, 386561, 552230, 773122, 1104460, 1546244, 1932805, 3865610, 7731220]

約数ペア:

[(1, 7731220), (2, 3865610), (4, 1932805), (5, 1546244), (7, 1104460), (10, 773122), (14, 552230), (20, 386561), (23, 336140), (28, 276115), (35, 220892), (46, 168070), (49, 157780), (70, 110446), (92, 84035), (98, 78890), (115, 67228), (140, 55223), (161, 48020), (196, 39445), (230, 33614), (245, 31556), (322, 24010), (343, 22540), (460, 16807), (490, 15778), (644, 12005), (686, 11270), (805, 9604), (980, 7889), (1127, 6860), (1372, 5635), (1610, 4802), (1715, 4508), (2254, 3430), (2401, 3220)]