249492040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2039}}^1$

素因数の和:2099

約数の個数: 128

約数和(自身を含む): 705024000

約数和(自身を除く): 455531960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 23, 28, 35, 38, 40, 46, 56, 70, 76, 92, 95, 115, 133, 140, 152, 161, 184, 190, 230, 266, 280, 322, 380, 437, 460, 532, 644, 665, 760, 805, 874, 920, 1064, 1288, 1330, 1610, 1748, 2039, 2185, 2660, 3059, 3220, 3496, 4078, 4370, 5320, 6118, 6440, 8156, 8740, 10195, 12236, 14273, 15295, 16312, 17480, 20390, 24472, 28546, 30590, 38741, 40780, 46897, 57092, 61180, 71365, 77482, 81560, 93794, 114184, 122360, 142730, 154964, 187588, 193705, 234485, 271187, 285460, 309928, 328279, 375176, 387410, 468970, 542374, 570920, 656558, 774820, 891043, 937940, 1084748, 1313116, 1355935, 1549640, 1641395, 1782086, 1875880, 2169496, 2626232, 2711870, 3282790, 3564172, 4455215, 5423740, 6237301, 6565580, 7128344, 8910430, 10847480, 12474602, 13131160, 17820860, 24949204, 31186505, 35641720, 49898408, 62373010, 124746020, 249492040]

約数ペア:

[(1, 249492040), (2, 124746020), (4, 62373010), (5, 49898408), (7, 35641720), (8, 31186505), (10, 24949204), (14, 17820860), (19, 13131160), (20, 12474602), (23, 10847480), (28, 8910430), (35, 7128344), (38, 6565580), (40, 6237301), (46, 5423740), (56, 4455215), (70, 3564172), (76, 3282790), (92, 2711870), (95, 2626232), (115, 2169496), (133, 1875880), (140, 1782086), (152, 1641395), (161, 1549640), (184, 1355935), (190, 1313116), (230, 1084748), (266, 937940), (280, 891043), (322, 774820), (380, 656558), (437, 570920), (460, 542374), (532, 468970), (644, 387410), (665, 375176), (760, 328279), (805, 309928), (874, 285460), (920, 271187), (1064, 234485), (1288, 193705), (1330, 187588), (1610, 154964), (1748, 142730), (2039, 122360), (2185, 114184), (2660, 93794), (3059, 81560), (3220, 77482), (3496, 71365), (4078, 61180), (4370, 57092), (5320, 46897), (6118, 40780), (6440, 38741), (8156, 30590), (8740, 28546), (10195, 24472), (12236, 20390), (14273, 17480), (15295, 16312)]