201262820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{541}}^1$

素因数の和:669

約数の個数: 96

約数和(自身を含む): 491702400

約数和(自身を除く): 290439580

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 89, 95, 110, 178, 190, 209, 220, 356, 380, 418, 445, 541, 836, 890, 979, 1045, 1082, 1691, 1780, 1958, 2090, 2164, 2705, 3382, 3916, 4180, 4895, 5410, 5951, 6764, 8455, 9790, 10279, 10820, 11902, 16910, 18601, 19580, 20558, 23804, 29755, 33820, 37202, 41116, 48149, 51395, 59510, 74404, 93005, 96298, 102790, 113069, 119020, 186010, 192596, 205580, 226138, 240745, 372020, 452276, 481490, 529639, 565345, 914831, 962980, 1059278, 1130690, 1829662, 2118556, 2261380, 2648195, 3659324, 4574155, 5296390, 9148310, 10063141, 10592780, 18296620, 20126282, 40252564, 50315705, 100631410, 201262820]

約数ペア:

[(1, 201262820), (2, 100631410), (4, 50315705), (5, 40252564), (10, 20126282), (11, 18296620), (19, 10592780), (20, 10063141), (22, 9148310), (38, 5296390), (44, 4574155), (55, 3659324), (76, 2648195), (89, 2261380), (95, 2118556), (110, 1829662), (178, 1130690), (190, 1059278), (209, 962980), (220, 914831), (356, 565345), (380, 529639), (418, 481490), (445, 452276), (541, 372020), (836, 240745), (890, 226138), (979, 205580), (1045, 192596), (1082, 186010), (1691, 119020), (1780, 113069), (1958, 102790), (2090, 96298), (2164, 93005), (2705, 74404), (3382, 59510), (3916, 51395), (4180, 48149), (4895, 41116), (5410, 37202), (5951, 33820), (6764, 29755), (8455, 23804), (9790, 20558), (10279, 19580), (10820, 18601), (11902, 16910)]