291236660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1289}}^1$

素因数の和:1401

約数の個数: 96

約数和(自身を含む): 728179200

約数和(自身を除く): 436942540

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 79, 110, 130, 143, 158, 220, 260, 286, 316, 395, 572, 715, 790, 869, 1027, 1289, 1430, 1580, 1738, 2054, 2578, 2860, 3476, 4108, 4345, 5135, 5156, 6445, 8690, 10270, 11297, 12890, 14179, 16757, 17380, 20540, 22594, 25780, 28358, 33514, 45188, 56485, 56716, 67028, 70895, 83785, 101831, 112970, 141790, 167570, 184327, 203662, 225940, 283580, 335140, 368654, 407324, 509155, 737308, 921635, 1018310, 1120141, 1323803, 1843270, 2036620, 2240282, 2647606, 3686540, 4480564, 5295212, 5600705, 6619015, 11201410, 13238030, 14561833, 22402820, 26476060, 29123666, 58247332, 72809165, 145618330, 291236660]

約数ペア:

[(1, 291236660), (2, 145618330), (4, 72809165), (5, 58247332), (10, 29123666), (11, 26476060), (13, 22402820), (20, 14561833), (22, 13238030), (26, 11201410), (44, 6619015), (52, 5600705), (55, 5295212), (65, 4480564), (79, 3686540), (110, 2647606), (130, 2240282), (143, 2036620), (158, 1843270), (220, 1323803), (260, 1120141), (286, 1018310), (316, 921635), (395, 737308), (572, 509155), (715, 407324), (790, 368654), (869, 335140), (1027, 283580), (1289, 225940), (1430, 203662), (1580, 184327), (1738, 167570), (2054, 141790), (2578, 112970), (2860, 101831), (3476, 83785), (4108, 70895), (4345, 67028), (5135, 56716), (5156, 56485), (6445, 45188), (8690, 33514), (10270, 28358), (11297, 25780), (12890, 22594), (14179, 20540), (16757, 17380)]