31350340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{3671}}^1$

素因数の和:3748

約数の個数: 48

約数和(自身を含む): 76495104

約数和(自身を除く): 45144764

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 3671, 4270, 7342, 8540, 14684, 18355, 25697, 36710, 51394, 73420, 102788, 128485, 223931, 256970, 447862, 513940, 895724, 1119655, 1567517, 2239310, 3135034, 4478620, 6270068, 7837585, 15675170, 31350340]

約数ペア:

[(1, 31350340), (2, 15675170), (4, 7837585), (5, 6270068), (7, 4478620), (10, 3135034), (14, 2239310), (20, 1567517), (28, 1119655), (35, 895724), (61, 513940), (70, 447862), (122, 256970), (140, 223931), (244, 128485), (305, 102788), (427, 73420), (610, 51394), (854, 36710), (1220, 25697), (1708, 18355), (2135, 14684), (3671, 8540), (4270, 7342)]