12740140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:187

約数の個数: 96

約数和(自身を含む): 33312384

約数和(自身を除く): 20572244

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 53, 68, 70, 85, 101, 106, 119, 140, 170, 202, 212, 238, 265, 340, 371, 404, 476, 505, 530, 595, 707, 742, 901, 1010, 1060, 1190, 1414, 1484, 1717, 1802, 1855, 2020, 2380, 2828, 3434, 3535, 3604, 3710, 4505, 5353, 6307, 6868, 7070, 7420, 8585, 9010, 10706, 12019, 12614, 14140, 17170, 18020, 21412, 24038, 25228, 26765, 31535, 34340, 37471, 48076, 53530, 60095, 63070, 74942, 91001, 107060, 120190, 126140, 149884, 182002, 187355, 240380, 364004, 374710, 455005, 637007, 749420, 910010, 1274014, 1820020, 2548028, 3185035, 6370070, 12740140]

約数ペア:

[(1, 12740140), (2, 6370070), (4, 3185035), (5, 2548028), (7, 1820020), (10, 1274014), (14, 910010), (17, 749420), (20, 637007), (28, 455005), (34, 374710), (35, 364004), (53, 240380), (68, 187355), (70, 182002), (85, 149884), (101, 126140), (106, 120190), (119, 107060), (140, 91001), (170, 74942), (202, 63070), (212, 60095), (238, 53530), (265, 48076), (340, 37471), (371, 34340), (404, 31535), (476, 26765), (505, 25228), (530, 24038), (595, 21412), (707, 18020), (742, 17170), (901, 14140), (1010, 12614), (1060, 12019), (1190, 10706), (1414, 9010), (1484, 8585), (1717, 7420), (1802, 7070), (1855, 6868), (2020, 6307), (2380, 5353), (2828, 4505), (3434, 3710), (3535, 3604)]