28301700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{13477}}^1$

素因数の和:13501

約数の個数: 72

約数和(自身を含む): 93591232

約数和(自身を除く): 65289532

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 13477, 26954, 40431, 53908, 67385, 80862, 94339, 134770, 161724, 188678, 202155, 269540, 283017, 336925, 377356, 404310, 471695, 566034, 673850, 808620, 943390, 1010775, 1132068, 1347700, 1415085, 1886780, 2021550, 2358475, 2830170, 4043100, 4716950, 5660340, 7075425, 9433900, 14150850, 28301700]

約数ペア:

[(1, 28301700), (2, 14150850), (3, 9433900), (4, 7075425), (5, 5660340), (6, 4716950), (7, 4043100), (10, 2830170), (12, 2358475), (14, 2021550), (15, 1886780), (20, 1415085), (21, 1347700), (25, 1132068), (28, 1010775), (30, 943390), (35, 808620), (42, 673850), (50, 566034), (60, 471695), (70, 404310), (75, 377356), (84, 336925), (100, 283017), (105, 269540), (140, 202155), (150, 188678), (175, 161724), (210, 134770), (300, 94339), (350, 80862), (420, 67385), (525, 53908), (700, 40431), (1050, 26954), (2100, 13477)]