331739240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{491}}^1$

素因数の和:655

約数の個数: 128

約数和(自身を含む): 906854400

約数和(自身を除く): 575115160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 127, 133, 140, 152, 190, 254, 266, 280, 380, 491, 508, 532, 635, 665, 760, 889, 982, 1016, 1064, 1270, 1330, 1778, 1964, 2413, 2455, 2540, 2660, 3437, 3556, 3928, 4445, 4826, 4910, 5080, 5320, 6874, 7112, 8890, 9329, 9652, 9820, 12065, 13748, 16891, 17185, 17780, 18658, 19304, 19640, 24130, 27496, 33782, 34370, 35560, 37316, 46645, 48260, 62357, 65303, 67564, 68740, 74632, 84455, 93290, 96520, 124714, 130606, 135128, 137480, 168910, 186580, 249428, 261212, 311785, 326515, 337820, 373160, 436499, 498856, 522424, 623570, 653030, 675640, 872998, 1184783, 1247140, 1306060, 1745996, 2182495, 2369566, 2494280, 2612120, 3491992, 4364990, 4739132, 5923915, 8293481, 8729980, 9478264, 11847830, 16586962, 17459960, 23695660, 33173924, 41467405, 47391320, 66347848, 82934810, 165869620, 331739240]

約数ペア:

[(1, 331739240), (2, 165869620), (4, 82934810), (5, 66347848), (7, 47391320), (8, 41467405), (10, 33173924), (14, 23695660), (19, 17459960), (20, 16586962), (28, 11847830), (35, 9478264), (38, 8729980), (40, 8293481), (56, 5923915), (70, 4739132), (76, 4364990), (95, 3491992), (127, 2612120), (133, 2494280), (140, 2369566), (152, 2182495), (190, 1745996), (254, 1306060), (266, 1247140), (280, 1184783), (380, 872998), (491, 675640), (508, 653030), (532, 623570), (635, 522424), (665, 498856), (760, 436499), (889, 373160), (982, 337820), (1016, 326515), (1064, 311785), (1270, 261212), (1330, 249428), (1778, 186580), (1964, 168910), (2413, 137480), (2455, 135128), (2540, 130606), (2660, 124714), (3437, 96520), (3556, 93290), (3928, 84455), (4445, 74632), (4826, 68740), (4910, 67564), (5080, 65303), (5320, 62357), (6874, 48260), (7112, 46645), (8890, 37316), (9329, 35560), (9652, 34370), (9820, 33782), (12065, 27496), (13748, 24130), (16891, 19640), (17185, 19304), (17780, 18658)]