28349440

素因数分解:

$2^{10}\times 5^1\times 7^2\times {\mathrm{113}}^1$

素因数の和:152

約数の個数: 132

約数和(自身を含む): 79808436

約数和(自身を除く): 51458996

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 113, 128, 140, 160, 196, 224, 226, 245, 256, 280, 320, 392, 448, 452, 490, 512, 560, 565, 640, 784, 791, 896, 904, 980, 1024, 1120, 1130, 1280, 1568, 1582, 1792, 1808, 1960, 2240, 2260, 2560, 3136, 3164, 3584, 3616, 3920, 3955, 4480, 4520, 5120, 5537, 6272, 6328, 7168, 7232, 7840, 7910, 8960, 9040, 11074, 12544, 12656, 14464, 15680, 15820, 17920, 18080, 22148, 25088, 25312, 27685, 28928, 31360, 31640, 35840, 36160, 44296, 50176, 50624, 55370, 57856, 62720, 63280, 72320, 88592, 101248, 110740, 115712, 125440, 126560, 144640, 177184, 202496, 221480, 250880, 253120, 289280, 354368, 404992, 442960, 506240, 578560, 708736, 809984, 885920, 1012480, 1417472, 1771840, 2024960, 2834944, 3543680, 4049920, 5669888, 7087360, 14174720, 28349440]

約数ペア:

[(1, 28349440), (2, 14174720), (4, 7087360), (5, 5669888), (7, 4049920), (8, 3543680), (10, 2834944), (14, 2024960), (16, 1771840), (20, 1417472), (28, 1012480), (32, 885920), (35, 809984), (40, 708736), (49, 578560), (56, 506240), (64, 442960), (70, 404992), (80, 354368), (98, 289280), (112, 253120), (113, 250880), (128, 221480), (140, 202496), (160, 177184), (196, 144640), (224, 126560), (226, 125440), (245, 115712), (256, 110740), (280, 101248), (320, 88592), (392, 72320), (448, 63280), (452, 62720), (490, 57856), (512, 55370), (560, 50624), (565, 50176), (640, 44296), (784, 36160), (791, 35840), (896, 31640), (904, 31360), (980, 28928), (1024, 27685), (1120, 25312), (1130, 25088), (1280, 22148), (1568, 18080), (1582, 17920), (1792, 15820), (1808, 15680), (1960, 14464), (2240, 12656), (2260, 12544), (2560, 11074), (3136, 9040), (3164, 8960), (3584, 7910), (3616, 7840), (3920, 7232), (3955, 7168), (4480, 6328), (4520, 6272), (5120, 5537)]