1405822740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{478171}}^1$

素因数の和:478197

約数の個数: 72

約数和(自身を含む): 4578975072

約数和(自身を除く): 3173152332

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, 478171, 956342, 1434513, 1912684, 2390855, 2869026, 3347197, 4781710, 5738052, 6694394, 7172565, 9563420, 10041591, 13388788, 14345130, 16735985, 20083182, 23430379, 28690260, 33471970, 40166364, 46860758, 50207955, 66943940, 70291137, 93721516, 100415910, 117151895, 140582274, 200831820, 234303790, 281164548, 351455685, 468607580, 702911370, 1405822740]

約数ペア:

[(1, 1405822740), (2, 702911370), (3, 468607580), (4, 351455685), (5, 281164548), (6, 234303790), (7, 200831820), (10, 140582274), (12, 117151895), (14, 100415910), (15, 93721516), (20, 70291137), (21, 66943940), (28, 50207955), (30, 46860758), (35, 40166364), (42, 33471970), (49, 28690260), (60, 23430379), (70, 20083182), (84, 16735985), (98, 14345130), (105, 13388788), (140, 10041591), (147, 9563420), (196, 7172565), (210, 6694394), (245, 5738052), (294, 4781710), (420, 3347197), (490, 2869026), (588, 2390855), (735, 1912684), (980, 1434513), (1470, 956342), (2940, 478171)]