8728582660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{1993}}^1$

素因数の和:2166

約数の個数: 144

約数和(自身を含む): 22054198320

約数和(自身を除く): 13325615660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 49, 70, 82, 98, 109, 140, 164, 196, 205, 218, 245, 287, 410, 436, 490, 545, 574, 763, 820, 980, 1090, 1148, 1435, 1526, 1993, 2009, 2180, 2870, 3052, 3815, 3986, 4018, 4469, 5341, 5740, 7630, 7972, 8036, 8938, 9965, 10045, 10682, 13951, 15260, 17876, 19930, 20090, 21364, 22345, 26705, 27902, 31283, 39860, 40180, 44690, 53410, 55804, 62566, 69755, 81713, 89380, 97657, 106820, 125132, 139510, 156415, 163426, 195314, 217237, 218981, 279020, 312830, 326852, 390628, 408565, 434474, 437962, 488285, 571991, 625660, 817130, 868948, 875924, 976570, 1086185, 1094905, 1143982, 1520659, 1634260, 1953140, 2172370, 2189810, 2287964, 2859955, 3041318, 4003937, 4344740, 4379620, 5719910, 6082636, 7603295, 8007874, 8906717, 10644613, 11439820, 15206590, 16015748, 17813434, 20019685, 21289226, 30413180, 35626868, 40039370, 42578452, 44533585, 53223065, 62347019, 80078740, 89067170, 106446130, 124694038, 178134340, 212892260, 249388076, 311735095, 436429133, 623470190, 872858266, 1246940380, 1745716532, 2182145665, 4364291330, 8728582660]

約数ペア:

[(1, 8728582660), (2, 4364291330), (4, 2182145665), (5, 1745716532), (7, 1246940380), (10, 872858266), (14, 623470190), (20, 436429133), (28, 311735095), (35, 249388076), (41, 212892260), (49, 178134340), (70, 124694038), (82, 106446130), (98, 89067170), (109, 80078740), (140, 62347019), (164, 53223065), (196, 44533585), (205, 42578452), (218, 40039370), (245, 35626868), (287, 30413180), (410, 21289226), (436, 20019685), (490, 17813434), (545, 16015748), (574, 15206590), (763, 11439820), (820, 10644613), (980, 8906717), (1090, 8007874), (1148, 7603295), (1435, 6082636), (1526, 5719910), (1993, 4379620), (2009, 4344740), (2180, 4003937), (2870, 3041318), (3052, 2859955), (3815, 2287964), (3986, 2189810), (4018, 2172370), (4469, 1953140), (5341, 1634260), (5740, 1520659), (7630, 1143982), (7972, 1094905), (8036, 1086185), (8938, 976570), (9965, 875924), (10045, 868948), (10682, 817130), (13951, 625660), (15260, 571991), (17876, 488285), (19930, 437962), (20090, 434474), (21364, 408565), (22345, 390628), (26705, 326852), (27902, 312830), (31283, 279020), (39860, 218981), (40180, 217237), (44690, 195314), (53410, 163426), (55804, 156415), (62566, 139510), (69755, 125132), (81713, 106820), (89380, 97657)]