304489640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3637}}^1$

素因数の和:3691

約数の個数: 128

約数和(自身を含む): 880104960

約数和(自身を除く): 575615320

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 23, 26, 28, 35, 40, 46, 52, 56, 65, 70, 91, 92, 104, 115, 130, 140, 161, 182, 184, 230, 260, 280, 299, 322, 364, 455, 460, 520, 598, 644, 728, 805, 910, 920, 1196, 1288, 1495, 1610, 1820, 2093, 2392, 2990, 3220, 3637, 3640, 4186, 5980, 6440, 7274, 8372, 10465, 11960, 14548, 16744, 18185, 20930, 25459, 29096, 36370, 41860, 47281, 50918, 72740, 83651, 83720, 94562, 101836, 127295, 145480, 167302, 189124, 203672, 236405, 254590, 330967, 334604, 378248, 418255, 472810, 509180, 585557, 661934, 669208, 836510, 945620, 1018360, 1087463, 1171114, 1323868, 1654835, 1673020, 1891240, 2174926, 2342228, 2647736, 2927785, 3309670, 3346040, 4349852, 4684456, 5437315, 5855570, 6619340, 7612241, 8699704, 10874630, 11711140, 13238680, 15224482, 21749260, 23422280, 30448964, 38061205, 43498520, 60897928, 76122410, 152244820, 304489640]

約数ペア:

[(1, 304489640), (2, 152244820), (4, 76122410), (5, 60897928), (7, 43498520), (8, 38061205), (10, 30448964), (13, 23422280), (14, 21749260), (20, 15224482), (23, 13238680), (26, 11711140), (28, 10874630), (35, 8699704), (40, 7612241), (46, 6619340), (52, 5855570), (56, 5437315), (65, 4684456), (70, 4349852), (91, 3346040), (92, 3309670), (104, 2927785), (115, 2647736), (130, 2342228), (140, 2174926), (161, 1891240), (182, 1673020), (184, 1654835), (230, 1323868), (260, 1171114), (280, 1087463), (299, 1018360), (322, 945620), (364, 836510), (455, 669208), (460, 661934), (520, 585557), (598, 509180), (644, 472810), (728, 418255), (805, 378248), (910, 334604), (920, 330967), (1196, 254590), (1288, 236405), (1495, 203672), (1610, 189124), (1820, 167302), (2093, 145480), (2392, 127295), (2990, 101836), (3220, 94562), (3637, 83720), (3640, 83651), (4186, 72740), (5980, 50918), (6440, 47281), (7274, 41860), (8372, 36370), (10465, 29096), (11960, 25459), (14548, 20930), (16744, 18185)]