201374420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{12697}}^1$

素因数の和:12780

約数の個数: 48

約数和(自身を含む): 462918288

約数和(自身を除く): 261543868

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 610, 793, 1220, 1586, 3172, 3965, 7930, 12697, 15860, 25394, 50788, 63485, 126970, 165061, 253940, 330122, 660244, 774517, 825305, 1549034, 1650610, 3098068, 3301220, 3872585, 7745170, 10068721, 15490340, 20137442, 40274884, 50343605, 100687210, 201374420]

約数ペア:

[(1, 201374420), (2, 100687210), (4, 50343605), (5, 40274884), (10, 20137442), (13, 15490340), (20, 10068721), (26, 7745170), (52, 3872585), (61, 3301220), (65, 3098068), (122, 1650610), (130, 1549034), (244, 825305), (260, 774517), (305, 660244), (610, 330122), (793, 253940), (1220, 165061), (1586, 126970), (3172, 63485), (3965, 50788), (7930, 25394), (12697, 15860)]