301758520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{353}}^1$

素因数の和:485

約数の個数: 128

約数和(自身を含む): 807459840

約数和(自身を除く): 505701320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 71, 86, 140, 142, 172, 215, 280, 284, 301, 344, 353, 355, 430, 497, 568, 602, 706, 710, 860, 994, 1204, 1412, 1420, 1505, 1720, 1765, 1988, 2408, 2471, 2485, 2824, 2840, 3010, 3053, 3530, 3976, 4942, 4970, 6020, 6106, 7060, 9884, 9940, 12040, 12212, 12355, 14120, 15179, 15265, 19768, 19880, 21371, 24424, 24710, 25063, 30358, 30530, 42742, 49420, 50126, 60716, 61060, 75895, 85484, 98840, 100252, 106253, 106855, 121432, 122120, 125315, 151790, 170968, 175441, 200504, 212506, 213710, 250630, 303580, 350882, 425012, 427420, 501260, 531265, 607160, 701764, 850024, 854840, 877205, 1002520, 1062530, 1077709, 1403528, 1754410, 2125060, 2155418, 3508820, 4250120, 4310836, 5388545, 7017640, 7543963, 8621672, 10777090, 15087926, 21554180, 30175852, 37719815, 43108360, 60351704, 75439630, 150879260, 301758520]

約数ペア:

[(1, 301758520), (2, 150879260), (4, 75439630), (5, 60351704), (7, 43108360), (8, 37719815), (10, 30175852), (14, 21554180), (20, 15087926), (28, 10777090), (35, 8621672), (40, 7543963), (43, 7017640), (56, 5388545), (70, 4310836), (71, 4250120), (86, 3508820), (140, 2155418), (142, 2125060), (172, 1754410), (215, 1403528), (280, 1077709), (284, 1062530), (301, 1002520), (344, 877205), (353, 854840), (355, 850024), (430, 701764), (497, 607160), (568, 531265), (602, 501260), (706, 427420), (710, 425012), (860, 350882), (994, 303580), (1204, 250630), (1412, 213710), (1420, 212506), (1505, 200504), (1720, 175441), (1765, 170968), (1988, 151790), (2408, 125315), (2471, 122120), (2485, 121432), (2824, 106855), (2840, 106253), (3010, 100252), (3053, 98840), (3530, 85484), (3976, 75895), (4942, 61060), (4970, 60716), (6020, 50126), (6106, 49420), (7060, 42742), (9884, 30530), (9940, 30358), (12040, 25063), (12212, 24710), (12355, 24424), (14120, 21371), (15179, 19880), (15265, 19768)]