389054960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{307}}^1$

素因数の和:431

約数の個数: 160

約数和(自身を含む): 1085263872

約数和(自身を除く): 696208912

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 73, 80, 112, 124, 140, 146, 155, 217, 248, 280, 292, 307, 310, 365, 434, 496, 511, 560, 584, 614, 620, 730, 868, 1022, 1085, 1168, 1228, 1240, 1460, 1535, 1736, 2044, 2149, 2170, 2263, 2456, 2480, 2555, 2920, 3070, 3472, 4088, 4298, 4340, 4526, 4912, 5110, 5840, 6140, 8176, 8596, 8680, 9052, 9517, 10220, 10745, 11315, 12280, 15841, 17192, 17360, 18104, 19034, 20440, 21490, 22411, 22630, 24560, 31682, 34384, 36208, 38068, 40880, 42980, 44822, 45260, 47585, 63364, 66619, 76136, 79205, 85960, 89644, 90520, 95170, 112055, 126728, 133238, 152272, 156877, 158410, 171920, 179288, 181040, 190340, 224110, 253456, 266476, 313754, 316820, 333095, 358576, 380680, 448220, 532952, 627508, 633640, 666190, 694741, 761360, 784385, 896440, 1065904, 1255016, 1267280, 1332380, 1389482, 1568770, 1792880, 2510032, 2664760, 2778964, 3137540, 3473705, 4863187, 5329520, 5557928, 6275080, 6947410, 9726374, 11115856, 12550160, 13894820, 19452748, 24315935, 27789640, 38905496, 48631870, 55579280, 77810992, 97263740, 194527480, 389054960]

約数ペア:

[(1, 389054960), (2, 194527480), (4, 97263740), (5, 77810992), (7, 55579280), (8, 48631870), (10, 38905496), (14, 27789640), (16, 24315935), (20, 19452748), (28, 13894820), (31, 12550160), (35, 11115856), (40, 9726374), (56, 6947410), (62, 6275080), (70, 5557928), (73, 5329520), (80, 4863187), (112, 3473705), (124, 3137540), (140, 2778964), (146, 2664760), (155, 2510032), (217, 1792880), (248, 1568770), (280, 1389482), (292, 1332380), (307, 1267280), (310, 1255016), (365, 1065904), (434, 896440), (496, 784385), (511, 761360), (560, 694741), (584, 666190), (614, 633640), (620, 627508), (730, 532952), (868, 448220), (1022, 380680), (1085, 358576), (1168, 333095), (1228, 316820), (1240, 313754), (1460, 266476), (1535, 253456), (1736, 224110), (2044, 190340), (2149, 181040), (2170, 179288), (2263, 171920), (2456, 158410), (2480, 156877), (2555, 152272), (2920, 133238), (3070, 126728), (3472, 112055), (4088, 95170), (4298, 90520), (4340, 89644), (4526, 85960), (4912, 79205), (5110, 76136), (5840, 66619), (6140, 63364), (8176, 47585), (8596, 45260), (8680, 44822), (9052, 42980), (9517, 40880), (10220, 38068), (10745, 36208), (11315, 34384), (12280, 31682), (15841, 24560), (17192, 22630), (17360, 22411), (18104, 21490), (19034, 20440)]