290406970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{2957}}^1$

素因数の和:3055

約数の個数: 64

約数和(自身を含む): 633816576

約数和(自身を除く): 343409606

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 61, 70, 115, 122, 161, 230, 305, 322, 427, 610, 805, 854, 1403, 1610, 2135, 2806, 2957, 4270, 5914, 7015, 9821, 14030, 14785, 19642, 20699, 29570, 41398, 49105, 68011, 98210, 103495, 136022, 180377, 206990, 340055, 360754, 476077, 680110, 901885, 952154, 1262639, 1803770, 2380385, 2525278, 4148671, 4760770, 6313195, 8297342, 12626390, 20743355, 29040697, 41486710, 58081394, 145203485, 290406970]

約数ペア:

[(1, 290406970), (2, 145203485), (5, 58081394), (7, 41486710), (10, 29040697), (14, 20743355), (23, 12626390), (35, 8297342), (46, 6313195), (61, 4760770), (70, 4148671), (115, 2525278), (122, 2380385), (161, 1803770), (230, 1262639), (305, 952154), (322, 901885), (427, 680110), (610, 476077), (805, 360754), (854, 340055), (1403, 206990), (1610, 180377), (2135, 136022), (2806, 103495), (2957, 98210), (4270, 68011), (5914, 49105), (7015, 41398), (9821, 29570), (14030, 20699), (14785, 19642)]