161989630

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{433}}^1$

素因数の和:649

約数の個数: 64

約数和(自身を含む): 337478400

約数和(自身を除く): 175488770

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 179, 190, 209, 358, 418, 433, 866, 895, 1045, 1790, 1969, 2090, 2165, 3401, 3938, 4330, 4763, 6802, 8227, 9526, 9845, 16454, 17005, 19690, 23815, 34010, 37411, 41135, 47630, 74822, 77507, 82270, 90497, 155014, 180994, 187055, 374110, 387535, 452485, 775070, 852577, 904970, 1472633, 1705154, 2945266, 4262885, 7363165, 8525770, 14726330, 16198963, 32397926, 80994815, 161989630]

約数ペア:

[(1, 161989630), (2, 80994815), (5, 32397926), (10, 16198963), (11, 14726330), (19, 8525770), (22, 7363165), (38, 4262885), (55, 2945266), (95, 1705154), (110, 1472633), (179, 904970), (190, 852577), (209, 775070), (358, 452485), (418, 387535), (433, 374110), (866, 187055), (895, 180994), (1045, 155014), (1790, 90497), (1969, 82270), (2090, 77507), (2165, 74822), (3401, 47630), (3938, 41135), (4330, 37411), (4763, 34010), (6802, 23815), (8227, 19690), (9526, 17005), (9845, 16454)]