42266420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:142

約数の個数: 144

約数和(自身を含む): 113762880

約数和(自身を除く): 71496460

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 43, 49, 59, 68, 70, 85, 86, 98, 118, 119, 140, 170, 172, 196, 215, 236, 238, 245, 295, 301, 340, 413, 430, 476, 490, 590, 595, 602, 731, 826, 833, 860, 980, 1003, 1180, 1190, 1204, 1462, 1505, 1652, 1666, 2006, 2065, 2107, 2380, 2537, 2891, 2924, 3010, 3332, 3655, 4012, 4130, 4165, 4214, 5015, 5074, 5117, 5782, 6020, 7021, 7310, 8260, 8330, 8428, 10030, 10148, 10234, 10535, 11564, 12685, 14042, 14455, 14620, 16660, 17759, 20060, 20468, 21070, 25370, 25585, 28084, 28910, 35105, 35518, 35819, 42140, 43129, 49147, 50740, 51170, 57820, 70210, 71036, 71638, 86258, 88795, 98294, 102340, 124313, 140420, 143276, 172516, 177590, 179095, 196588, 215645, 245735, 248626, 301903, 355180, 358190, 431290, 491470, 497252, 603806, 621565, 716380, 862580, 982940, 1207612, 1243130, 1509515, 2113321, 2486260, 3019030, 4226642, 6038060, 8453284, 10566605, 21133210, 42266420]

約数ペア:

[(1, 42266420), (2, 21133210), (4, 10566605), (5, 8453284), (7, 6038060), (10, 4226642), (14, 3019030), (17, 2486260), (20, 2113321), (28, 1509515), (34, 1243130), (35, 1207612), (43, 982940), (49, 862580), (59, 716380), (68, 621565), (70, 603806), (85, 497252), (86, 491470), (98, 431290), (118, 358190), (119, 355180), (140, 301903), (170, 248626), (172, 245735), (196, 215645), (215, 196588), (236, 179095), (238, 177590), (245, 172516), (295, 143276), (301, 140420), (340, 124313), (413, 102340), (430, 98294), (476, 88795), (490, 86258), (590, 71638), (595, 71036), (602, 70210), (731, 57820), (826, 51170), (833, 50740), (860, 49147), (980, 43129), (1003, 42140), (1180, 35819), (1190, 35518), (1204, 35105), (1462, 28910), (1505, 28084), (1652, 25585), (1666, 25370), (2006, 21070), (2065, 20468), (2107, 20060), (2380, 17759), (2537, 16660), (2891, 14620), (2924, 14455), (3010, 14042), (3332, 12685), (3655, 11564), (4012, 10535), (4130, 10234), (4165, 10148), (4214, 10030), (5015, 8428), (5074, 8330), (5117, 8260), (5782, 7310), (6020, 7021)]