206969940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{7717}}^1$

素因数の和:7881

約数の個数: 72

約数和(自身を含む): 632104200

約数和(自身を除く): 425134260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 149, 180, 298, 447, 596, 745, 894, 1341, 1490, 1788, 2235, 2682, 2980, 4470, 5364, 6705, 7717, 8940, 13410, 15434, 23151, 26820, 30868, 38585, 46302, 69453, 77170, 92604, 115755, 138906, 154340, 231510, 277812, 347265, 463020, 694530, 1149833, 1389060, 2299666, 3449499, 4599332, 5749165, 6898998, 10348497, 11498330, 13797996, 17247495, 20696994, 22996660, 34494990, 41393988, 51742485, 68989980, 103484970, 206969940]

約数ペア:

[(1, 206969940), (2, 103484970), (3, 68989980), (4, 51742485), (5, 41393988), (6, 34494990), (9, 22996660), (10, 20696994), (12, 17247495), (15, 13797996), (18, 11498330), (20, 10348497), (30, 6898998), (36, 5749165), (45, 4599332), (60, 3449499), (90, 2299666), (149, 1389060), (180, 1149833), (298, 694530), (447, 463020), (596, 347265), (745, 277812), (894, 231510), (1341, 154340), (1490, 138906), (1788, 115755), (2235, 92604), (2682, 77170), (2980, 69453), (4470, 46302), (5364, 38585), (6705, 30868), (7717, 26820), (8940, 23151), (13410, 15434)]