28367900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:120

約数の個数: 144

約数和(自身を含む): 74807712

約数和(自身を除く): 46439812

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 25, 34, 37, 41, 44, 50, 55, 68, 74, 82, 85, 100, 110, 148, 164, 170, 185, 187, 205, 220, 275, 340, 370, 374, 407, 410, 425, 451, 550, 629, 697, 740, 748, 814, 820, 850, 902, 925, 935, 1025, 1100, 1258, 1394, 1517, 1628, 1700, 1804, 1850, 1870, 2035, 2050, 2255, 2516, 2788, 3034, 3145, 3485, 3700, 3740, 4070, 4100, 4510, 4675, 6068, 6290, 6919, 6970, 7585, 7667, 8140, 9020, 9350, 10175, 11275, 12580, 13838, 13940, 15170, 15334, 15725, 16687, 17425, 18700, 20350, 22550, 25789, 27676, 30340, 30668, 31450, 33374, 34595, 34850, 37925, 38335, 40700, 45100, 51578, 62900, 66748, 69190, 69700, 75850, 76670, 83435, 103156, 128945, 138380, 151700, 153340, 166870, 172975, 191675, 257890, 283679, 333740, 345950, 383350, 417175, 515780, 567358, 644725, 691900, 766700, 834350, 1134716, 1289450, 1418395, 1668700, 2578900, 2836790, 5673580, 7091975, 14183950, 28367900]

約数ペア:

[(1, 28367900), (2, 14183950), (4, 7091975), (5, 5673580), (10, 2836790), (11, 2578900), (17, 1668700), (20, 1418395), (22, 1289450), (25, 1134716), (34, 834350), (37, 766700), (41, 691900), (44, 644725), (50, 567358), (55, 515780), (68, 417175), (74, 383350), (82, 345950), (85, 333740), (100, 283679), (110, 257890), (148, 191675), (164, 172975), (170, 166870), (185, 153340), (187, 151700), (205, 138380), (220, 128945), (275, 103156), (340, 83435), (370, 76670), (374, 75850), (407, 69700), (410, 69190), (425, 66748), (451, 62900), (550, 51578), (629, 45100), (697, 40700), (740, 38335), (748, 37925), (814, 34850), (820, 34595), (850, 33374), (902, 31450), (925, 30668), (935, 30340), (1025, 27676), (1100, 25789), (1258, 22550), (1394, 20350), (1517, 18700), (1628, 17425), (1700, 16687), (1804, 15725), (1850, 15334), (1870, 15170), (2035, 13940), (2050, 13838), (2255, 12580), (2516, 11275), (2788, 10175), (3034, 9350), (3145, 9020), (3485, 8140), (3700, 7667), (3740, 7585), (4070, 6970), (4100, 6919), (4510, 6290), (4675, 6068)]