248542690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{773}}^1$

素因数の和:907

約数の個数: 64

約数和(自身を含む): 508239360

約数和(自身を除く): 259696670

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 79, 110, 158, 185, 370, 395, 407, 773, 790, 814, 869, 1546, 1738, 2035, 2923, 3865, 4070, 4345, 5846, 7730, 8503, 8690, 14615, 17006, 28601, 29230, 32153, 42515, 57202, 61067, 64306, 85030, 122134, 143005, 160765, 286010, 305335, 314611, 321530, 610670, 629222, 671737, 1343474, 1573055, 2259479, 3146110, 3358685, 4518958, 6717370, 11297395, 22594790, 24854269, 49708538, 124271345, 248542690]

約数ペア:

[(1, 248542690), (2, 124271345), (5, 49708538), (10, 24854269), (11, 22594790), (22, 11297395), (37, 6717370), (55, 4518958), (74, 3358685), (79, 3146110), (110, 2259479), (158, 1573055), (185, 1343474), (370, 671737), (395, 629222), (407, 610670), (773, 321530), (790, 314611), (814, 305335), (869, 286010), (1546, 160765), (1738, 143005), (2035, 122134), (2923, 85030), (3865, 64306), (4070, 61067), (4345, 57202), (5846, 42515), (7730, 32153), (8503, 29230), (8690, 28601), (14615, 17006)]