123495820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2731}}^1$

素因数の和:2783

約数の個数: 96

約数和(自身を含む): 330462720

約数和(自身を除く): 206966900

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 19, 20, 28, 34, 35, 38, 68, 70, 76, 85, 95, 119, 133, 140, 170, 190, 238, 266, 323, 340, 380, 476, 532, 595, 646, 665, 1190, 1292, 1330, 1615, 2261, 2380, 2660, 2731, 3230, 4522, 5462, 6460, 9044, 10924, 11305, 13655, 19117, 22610, 27310, 38234, 45220, 46427, 51889, 54620, 76468, 92854, 95585, 103778, 185708, 191170, 207556, 232135, 259445, 324989, 363223, 382340, 464270, 518890, 649978, 726446, 882113, 928540, 1037780, 1299956, 1452892, 1624945, 1764226, 1816115, 3249890, 3528452, 3632230, 4410565, 6174791, 6499780, 7264460, 8821130, 12349582, 17642260, 24699164, 30873955, 61747910, 123495820]

約数ペア:

[(1, 123495820), (2, 61747910), (4, 30873955), (5, 24699164), (7, 17642260), (10, 12349582), (14, 8821130), (17, 7264460), (19, 6499780), (20, 6174791), (28, 4410565), (34, 3632230), (35, 3528452), (38, 3249890), (68, 1816115), (70, 1764226), (76, 1624945), (85, 1452892), (95, 1299956), (119, 1037780), (133, 928540), (140, 882113), (170, 726446), (190, 649978), (238, 518890), (266, 464270), (323, 382340), (340, 363223), (380, 324989), (476, 259445), (532, 232135), (595, 207556), (646, 191170), (665, 185708), (1190, 103778), (1292, 95585), (1330, 92854), (1615, 76468), (2261, 54620), (2380, 51889), (2660, 46427), (2731, 45220), (3230, 38234), (4522, 27310), (5462, 22610), (6460, 19117), (9044, 13655), (10924, 11305)]