215540238

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1$

素因数の和:417

約数の個数: 64

約数和(自身を含む): 460339200

約数和(自身を除く): 244798962

約数列:

[1, 2, 3, 6, 29, 58, 71, 73, 87, 142, 146, 174, 213, 219, 239, 426, 438, 478, 717, 1434, 2059, 2117, 4118, 4234, 5183, 6177, 6351, 6931, 10366, 12354, 12702, 13862, 15549, 16969, 17447, 20793, 31098, 33938, 34894, 41586, 50907, 52341, 101814, 104682, 150307, 300614, 450921, 492101, 505963, 901842, 984202, 1011926, 1238737, 1476303, 1517889, 2477474, 2952606, 3035778, 3716211, 7432422, 35923373, 71846746, 107770119, 215540238]

約数ペア:

[(1, 215540238), (2, 107770119), (3, 71846746), (6, 35923373), (29, 7432422), (58, 3716211), (71, 3035778), (73, 2952606), (87, 2477474), (142, 1517889), (146, 1476303), (174, 1238737), (213, 1011926), (219, 984202), (239, 901842), (426, 505963), (438, 492101), (478, 450921), (717, 300614), (1434, 150307), (2059, 104682), (2117, 101814), (4118, 52341), (4234, 50907), (5183, 41586), (6177, 34894), (6351, 33938), (6931, 31098), (10366, 20793), (12354, 17447), (12702, 16969), (13862, 15549)]