28534240

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{349}}^1$

素因数の和:444

約数の個数: 96

約数和(自身を含む): 78321600

約数和(自身を除く): 49787360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 73, 80, 112, 140, 146, 160, 224, 280, 292, 349, 365, 511, 560, 584, 698, 730, 1022, 1120, 1168, 1396, 1460, 1745, 2044, 2336, 2443, 2555, 2792, 2920, 3490, 4088, 4886, 5110, 5584, 5840, 6980, 8176, 9772, 10220, 11168, 11680, 12215, 13960, 16352, 19544, 20440, 24430, 25477, 27920, 39088, 40880, 48860, 50954, 55840, 78176, 81760, 97720, 101908, 127385, 178339, 195440, 203816, 254770, 356678, 390880, 407632, 509540, 713356, 815264, 891695, 1019080, 1426712, 1783390, 2038160, 2853424, 3566780, 4076320, 5706848, 7133560, 14267120, 28534240]

約数ペア:

[(1, 28534240), (2, 14267120), (4, 7133560), (5, 5706848), (7, 4076320), (8, 3566780), (10, 2853424), (14, 2038160), (16, 1783390), (20, 1426712), (28, 1019080), (32, 891695), (35, 815264), (40, 713356), (56, 509540), (70, 407632), (73, 390880), (80, 356678), (112, 254770), (140, 203816), (146, 195440), (160, 178339), (224, 127385), (280, 101908), (292, 97720), (349, 81760), (365, 78176), (511, 55840), (560, 50954), (584, 48860), (698, 40880), (730, 39088), (1022, 27920), (1120, 25477), (1168, 24430), (1396, 20440), (1460, 19544), (1745, 16352), (2044, 13960), (2336, 12215), (2443, 11680), (2555, 11168), (2792, 10220), (2920, 9772), (3490, 8176), (4088, 6980), (4886, 5840), (5110, 5584)]