28784240

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{653}}^1$

素因数の和:714

約数の個数: 80

約数和(自身を含む): 72986400

約数和(自身を除く): 44202160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 29, 38, 40, 58, 76, 80, 95, 116, 145, 152, 190, 232, 290, 304, 380, 464, 551, 580, 653, 760, 1102, 1160, 1306, 1520, 2204, 2320, 2612, 2755, 3265, 4408, 5224, 5510, 6530, 8816, 10448, 11020, 12407, 13060, 18937, 22040, 24814, 26120, 37874, 44080, 49628, 52240, 62035, 75748, 94685, 99256, 124070, 151496, 189370, 198512, 248140, 302992, 359803, 378740, 496280, 719606, 757480, 992560, 1439212, 1514960, 1799015, 2878424, 3598030, 5756848, 7196060, 14392120, 28784240]

約数ペア:

[(1, 28784240), (2, 14392120), (4, 7196060), (5, 5756848), (8, 3598030), (10, 2878424), (16, 1799015), (19, 1514960), (20, 1439212), (29, 992560), (38, 757480), (40, 719606), (58, 496280), (76, 378740), (80, 359803), (95, 302992), (116, 248140), (145, 198512), (152, 189370), (190, 151496), (232, 124070), (290, 99256), (304, 94685), (380, 75748), (464, 62035), (551, 52240), (580, 49628), (653, 44080), (760, 37874), (1102, 26120), (1160, 24814), (1306, 22040), (1520, 18937), (2204, 13060), (2320, 12407), (2612, 11020), (2755, 10448), (3265, 8816), (4408, 6530), (5224, 5510)]