2149140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:86

約数の個数: 144

約数和(自身を含む): 7584192

約数和(自身を除く): 5435052

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 43, 49, 51, 60, 68, 70, 84, 85, 86, 98, 102, 105, 119, 129, 140, 147, 170, 172, 196, 204, 210, 215, 238, 245, 255, 258, 294, 301, 340, 357, 420, 430, 476, 490, 510, 516, 588, 595, 602, 645, 714, 731, 735, 833, 860, 903, 980, 1020, 1190, 1204, 1290, 1428, 1462, 1470, 1505, 1666, 1785, 1806, 2107, 2193, 2380, 2499, 2580, 2924, 2940, 3010, 3332, 3570, 3612, 3655, 4165, 4214, 4386, 4515, 4998, 5117, 6020, 6321, 7140, 7310, 8330, 8428, 8772, 9030, 9996, 10234, 10535, 10965, 12495, 12642, 14620, 15351, 16660, 18060, 20468, 21070, 21930, 24990, 25284, 25585, 30702, 31605, 35819, 42140, 43860, 49980, 51170, 61404, 63210, 71638, 76755, 102340, 107457, 126420, 143276, 153510, 179095, 214914, 307020, 358190, 429828, 537285, 716380, 1074570, 2149140]

約数ペア:

[(1, 2149140), (2, 1074570), (3, 716380), (4, 537285), (5, 429828), (6, 358190), (7, 307020), (10, 214914), (12, 179095), (14, 153510), (15, 143276), (17, 126420), (20, 107457), (21, 102340), (28, 76755), (30, 71638), (34, 63210), (35, 61404), (42, 51170), (43, 49980), (49, 43860), (51, 42140), (60, 35819), (68, 31605), (70, 30702), (84, 25585), (85, 25284), (86, 24990), (98, 21930), (102, 21070), (105, 20468), (119, 18060), (129, 16660), (140, 15351), (147, 14620), (170, 12642), (172, 12495), (196, 10965), (204, 10535), (210, 10234), (215, 9996), (238, 9030), (245, 8772), (255, 8428), (258, 8330), (294, 7310), (301, 7140), (340, 6321), (357, 6020), (420, 5117), (430, 4998), (476, 4515), (490, 4386), (510, 4214), (516, 4165), (588, 3655), (595, 3612), (602, 3570), (645, 3332), (714, 3010), (731, 2940), (735, 2924), (833, 2580), (860, 2499), (903, 2380), (980, 2193), (1020, 2107), (1190, 1806), (1204, 1785), (1290, 1666), (1428, 1505), (1462, 1470)]