39457740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13421}}^1$

素因数の和:13447

約数の個数: 72

約数和(自身を含む): 128529072

約数和(自身を除く): 89071332

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 13421, 26842, 40263, 53684, 67105, 80526, 93947, 134210, 161052, 187894, 201315, 268420, 281841, 375788, 402630, 469735, 563682, 657629, 805260, 939470, 1127364, 1315258, 1409205, 1878940, 1972887, 2630516, 2818410, 3288145, 3945774, 5636820, 6576290, 7891548, 9864435, 13152580, 19728870, 39457740]

約数ペア:

[(1, 39457740), (2, 19728870), (3, 13152580), (4, 9864435), (5, 7891548), (6, 6576290), (7, 5636820), (10, 3945774), (12, 3288145), (14, 2818410), (15, 2630516), (20, 1972887), (21, 1878940), (28, 1409205), (30, 1315258), (35, 1127364), (42, 939470), (49, 805260), (60, 657629), (70, 563682), (84, 469735), (98, 402630), (105, 375788), (140, 281841), (147, 268420), (196, 201315), (210, 187894), (245, 161052), (294, 134210), (420, 93947), (490, 80526), (588, 67105), (735, 53684), (980, 40263), (1470, 26842), (2940, 13421)]