206004420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{7681}}^1$

素因数の和:7845

約数の個数: 72

約数和(自身を含む): 629155800

約数和(自身を除く): 423151380

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, 7681, 8940, 13410, 15362, 23043, 26820, 30724, 38405, 46086, 69129, 76810, 92172, 115215, 138258, 153620, 230430, 276516, 345645, 460860, 691290, 1144469, 1382580, 2288938, 3433407, 4577876, 5722345, 6866814, 10300221, 11444690, 13733628, 17167035, 20600442, 22889380, 34334070, 41200884, 51501105, 68668140, 103002210, 206004420]

約数ペア:

[(1, 206004420), (2, 103002210), (3, 68668140), (4, 51501105), (5, 41200884), (6, 34334070), (9, 22889380), (10, 20600442), (12, 17167035), (15, 13733628), (18, 11444690), (20, 10300221), (30, 6866814), (36, 5722345), (45, 4577876), (60, 3433407), (90, 2288938), (149, 1382580), (180, 1144469), (298, 691290), (447, 460860), (596, 345645), (745, 276516), (894, 230430), (1341, 153620), (1490, 138258), (1788, 115215), (2235, 92172), (2682, 76810), (2980, 69129), (4470, 46086), (5364, 38405), (6705, 30724), (7681, 26820), (8940, 23043), (13410, 15362)]