284702740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{743}}^1$

素因数の和:806

約数の個数: 144

約数和(自身を含む): 769450752

約数和(自身を除く): 484748012

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 23, 28, 34, 35, 46, 49, 68, 70, 85, 92, 98, 115, 119, 140, 161, 170, 196, 230, 238, 245, 322, 340, 391, 460, 476, 490, 595, 644, 743, 782, 805, 833, 980, 1127, 1190, 1486, 1564, 1610, 1666, 1955, 2254, 2380, 2737, 2972, 3220, 3332, 3715, 3910, 4165, 4508, 5201, 5474, 5635, 7430, 7820, 8330, 10402, 10948, 11270, 12631, 13685, 14860, 16660, 17089, 19159, 20804, 22540, 25262, 26005, 27370, 34178, 36407, 38318, 50524, 52010, 54740, 63155, 68356, 72814, 76636, 85445, 88417, 95795, 104020, 119623, 126310, 145628, 170890, 176834, 182035, 191590, 239246, 252620, 290513, 341780, 353668, 364070, 383180, 442085, 478492, 581026, 598115, 618919, 728140, 837361, 884170, 1162052, 1196230, 1237838, 1452565, 1674722, 1768340, 2033591, 2392460, 2475676, 2905130, 3094595, 3349444, 4067182, 4186805, 5810260, 6189190, 8134364, 8373610, 10167955, 12378380, 14235137, 16747220, 20335910, 28470274, 40671820, 56940548, 71175685, 142351370, 284702740]

約数ペア:

[(1, 284702740), (2, 142351370), (4, 71175685), (5, 56940548), (7, 40671820), (10, 28470274), (14, 20335910), (17, 16747220), (20, 14235137), (23, 12378380), (28, 10167955), (34, 8373610), (35, 8134364), (46, 6189190), (49, 5810260), (68, 4186805), (70, 4067182), (85, 3349444), (92, 3094595), (98, 2905130), (115, 2475676), (119, 2392460), (140, 2033591), (161, 1768340), (170, 1674722), (196, 1452565), (230, 1237838), (238, 1196230), (245, 1162052), (322, 884170), (340, 837361), (391, 728140), (460, 618919), (476, 598115), (490, 581026), (595, 478492), (644, 442085), (743, 383180), (782, 364070), (805, 353668), (833, 341780), (980, 290513), (1127, 252620), (1190, 239246), (1486, 191590), (1564, 182035), (1610, 176834), (1666, 170890), (1955, 145628), (2254, 126310), (2380, 119623), (2737, 104020), (2972, 95795), (3220, 88417), (3332, 85445), (3715, 76636), (3910, 72814), (4165, 68356), (4508, 63155), (5201, 54740), (5474, 52010), (5635, 50524), (7430, 38318), (7820, 36407), (8330, 34178), (10402, 27370), (10948, 26005), (11270, 25262), (12631, 22540), (13685, 20804), (14860, 19159), (16660, 17089)]