258579620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{191}}^1$

素因数の和:381

約数の個数: 96

約数和(自身を含む): 606928896

約数和(自身を除く): 348349276

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 127, 130, 164, 191, 205, 254, 260, 382, 410, 508, 533, 635, 764, 820, 955, 1066, 1270, 1651, 1910, 2132, 2483, 2540, 2665, 3302, 3820, 4966, 5207, 5330, 6604, 7831, 8255, 9932, 10414, 10660, 12415, 15662, 16510, 20828, 24257, 24830, 26035, 31324, 33020, 39155, 48514, 49660, 52070, 67691, 78310, 97028, 101803, 104140, 121285, 135382, 156620, 203606, 242570, 270764, 315341, 338455, 407212, 485140, 509015, 630682, 676910, 994537, 1018030, 1261364, 1353820, 1576705, 1989074, 2036060, 3153410, 3978148, 4972685, 6306820, 9945370, 12928981, 19890740, 25857962, 51715924, 64644905, 129289810, 258579620]

約数ペア:

[(1, 258579620), (2, 129289810), (4, 64644905), (5, 51715924), (10, 25857962), (13, 19890740), (20, 12928981), (26, 9945370), (41, 6306820), (52, 4972685), (65, 3978148), (82, 3153410), (127, 2036060), (130, 1989074), (164, 1576705), (191, 1353820), (205, 1261364), (254, 1018030), (260, 994537), (382, 676910), (410, 630682), (508, 509015), (533, 485140), (635, 407212), (764, 338455), (820, 315341), (955, 270764), (1066, 242570), (1270, 203606), (1651, 156620), (1910, 135382), (2132, 121285), (2483, 104140), (2540, 101803), (2665, 97028), (3302, 78310), (3820, 67691), (4966, 52070), (5207, 49660), (5330, 48514), (6604, 39155), (7831, 33020), (8255, 31324), (9932, 26035), (10414, 24830), (10660, 24257), (12415, 20828), (15662, 16510)]