309756440

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{107}}^1\times {\mathrm{211}}^1$

素因数の和:350

約数の個数: 128

約数和(自身を含む): 824256000

約数和(自身を除く): 514499560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 107, 140, 196, 211, 214, 245, 280, 343, 392, 422, 428, 490, 535, 686, 749, 844, 856, 980, 1055, 1070, 1372, 1477, 1498, 1688, 1715, 1960, 2110, 2140, 2744, 2954, 2996, 3430, 3745, 4220, 4280, 5243, 5908, 5992, 6860, 7385, 7490, 8440, 10339, 10486, 11816, 13720, 14770, 14980, 20678, 20972, 22577, 26215, 29540, 29960, 36701, 41356, 41944, 45154, 51695, 52430, 59080, 72373, 73402, 82712, 90308, 103390, 104860, 112885, 144746, 146804, 158039, 180616, 183505, 206780, 209720, 225770, 289492, 293608, 316078, 361865, 367010, 413560, 451540, 578984, 632156, 723730, 734020, 790195, 903080, 1106273, 1264312, 1447460, 1468040, 1580390, 2212546, 2894920, 3160780, 4425092, 5531365, 6321560, 7743911, 8850184, 11062730, 15487822, 22125460, 30975644, 38719555, 44250920, 61951288, 77439110, 154878220, 309756440]

約数ペア:

[(1, 309756440), (2, 154878220), (4, 77439110), (5, 61951288), (7, 44250920), (8, 38719555), (10, 30975644), (14, 22125460), (20, 15487822), (28, 11062730), (35, 8850184), (40, 7743911), (49, 6321560), (56, 5531365), (70, 4425092), (98, 3160780), (107, 2894920), (140, 2212546), (196, 1580390), (211, 1468040), (214, 1447460), (245, 1264312), (280, 1106273), (343, 903080), (392, 790195), (422, 734020), (428, 723730), (490, 632156), (535, 578984), (686, 451540), (749, 413560), (844, 367010), (856, 361865), (980, 316078), (1055, 293608), (1070, 289492), (1372, 225770), (1477, 209720), (1498, 206780), (1688, 183505), (1715, 180616), (1960, 158039), (2110, 146804), (2140, 144746), (2744, 112885), (2954, 104860), (2996, 103390), (3430, 90308), (3745, 82712), (4220, 73402), (4280, 72373), (5243, 59080), (5908, 52430), (5992, 51695), (6860, 45154), (7385, 41944), (7490, 41356), (8440, 36701), (10339, 29960), (10486, 29540), (11816, 26215), (13720, 22577), (14770, 20972), (14980, 20678)]