7228900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{449}}^1$

素因数の和:493

約数の個数: 72

約数和(自身を含む): 18748800

約数和(自身を除く): 11519900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 35, 46, 50, 70, 92, 100, 115, 140, 161, 175, 230, 322, 350, 449, 460, 575, 644, 700, 805, 898, 1150, 1610, 1796, 2245, 2300, 3143, 3220, 4025, 4490, 6286, 8050, 8980, 10327, 11225, 12572, 15715, 16100, 20654, 22450, 31430, 41308, 44900, 51635, 62860, 72289, 78575, 103270, 144578, 157150, 206540, 258175, 289156, 314300, 361445, 516350, 722890, 1032700, 1445780, 1807225, 3614450, 7228900]

約数ペア:

[(1, 7228900), (2, 3614450), (4, 1807225), (5, 1445780), (7, 1032700), (10, 722890), (14, 516350), (20, 361445), (23, 314300), (25, 289156), (28, 258175), (35, 206540), (46, 157150), (50, 144578), (70, 103270), (92, 78575), (100, 72289), (115, 62860), (140, 51635), (161, 44900), (175, 41308), (230, 31430), (322, 22450), (350, 20654), (449, 16100), (460, 15715), (575, 12572), (644, 11225), (700, 10327), (805, 8980), (898, 8050), (1150, 6286), (1610, 4490), (1796, 4025), (2245, 3220), (2300, 3143)]