20162648870

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{409}}^1$

素因数の和:623

約数の個数: 192

約数和(自身を含む): 46642780800

約数和(自身を除く): 26480131930

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 71, 91, 98, 109, 130, 142, 182, 218, 245, 355, 409, 455, 490, 497, 545, 637, 710, 763, 818, 910, 923, 994, 1090, 1274, 1417, 1526, 1846, 2045, 2485, 2834, 2863, 3185, 3479, 3815, 4090, 4615, 4970, 5317, 5341, 5726, 6370, 6461, 6958, 7085, 7630, 7739, 9230, 9919, 10634, 10682, 12922, 14170, 14315, 15478, 17395, 19838, 20041, 26585, 26705, 28630, 29039, 32305, 34790, 37219, 38695, 40082, 44581, 45227, 49595, 53170, 53410, 54173, 58078, 64610, 69433, 74438, 77390, 89162, 90454, 99190, 100205, 100607, 108346, 138866, 145195, 186095, 200410, 201214, 203273, 222905, 226135, 260533, 270865, 290390, 312067, 347165, 372190, 377507, 379211, 406546, 445810, 452270, 503035, 521066, 541730, 579553, 624134, 694330, 704249, 755014, 758422, 1006070, 1016365, 1159106, 1302665, 1408498, 1422911, 1560335, 1887535, 1896055, 2032730, 2184469, 2605330, 2642549, 2845822, 2897765, 3120670, 3165251, 3521245, 3775070, 3792110, 4056871, 4368938, 4929743, 5285098, 5795530, 6330502, 7042490, 7114555, 8113742, 9859486, 10922345, 13212745, 14229110, 15826255, 18497843, 20284355, 21844690, 22156757, 24648715, 26425490, 28398097, 31652510, 36995686, 40568710, 41148263, 44313514, 49297430, 56796194, 82296526, 92489215, 110783785, 141990485, 155097299, 184978430, 205741315, 221567570, 283980970, 288037841, 310194598, 411482630, 576075682, 775486495, 1440189205, 1550972990, 2016264887, 2880378410, 4032529774, 10081324435, 20162648870]

約数ペア:

[(1, 20162648870), (2, 10081324435), (5, 4032529774), (7, 2880378410), (10, 2016264887), (13, 1550972990), (14, 1440189205), (26, 775486495), (35, 576075682), (49, 411482630), (65, 310194598), (70, 288037841), (71, 283980970), (91, 221567570), (98, 205741315), (109, 184978430), (130, 155097299), (142, 141990485), (182, 110783785), (218, 92489215), (245, 82296526), (355, 56796194), (409, 49297430), (455, 44313514), (490, 41148263), (497, 40568710), (545, 36995686), (637, 31652510), (710, 28398097), (763, 26425490), (818, 24648715), (910, 22156757), (923, 21844690), (994, 20284355), (1090, 18497843), (1274, 15826255), (1417, 14229110), (1526, 13212745), (1846, 10922345), (2045, 9859486), (2485, 8113742), (2834, 7114555), (2863, 7042490), (3185, 6330502), (3479, 5795530), (3815, 5285098), (4090, 4929743), (4615, 4368938), (4970, 4056871), (5317, 3792110), (5341, 3775070), (5726, 3521245), (6370, 3165251), (6461, 3120670), (6958, 2897765), (7085, 2845822), (7630, 2642549), (7739, 2605330), (9230, 2184469), (9919, 2032730), (10634, 1896055), (10682, 1887535), (12922, 1560335), (14170, 1422911), (14315, 1408498), (15478, 1302665), (17395, 1159106), (19838, 1016365), (20041, 1006070), (26585, 758422), (26705, 755014), (28630, 704249), (29039, 694330), (32305, 624134), (34790, 579553), (37219, 541730), (38695, 521066), (40082, 503035), (44581, 452270), (45227, 445810), (49595, 406546), (53170, 379211), (53410, 377507), (54173, 372190), (58078, 347165), (64610, 312067), (69433, 290390), (74438, 270865), (77390, 260533), (89162, 226135), (90454, 222905), (99190, 203273), (100205, 201214), (100607, 200410), (108346, 186095), (138866, 145195)]