209690910

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5431}}^1$

素因数の和:5471

約数の個数: 128

約数和(自身を含む): 657054720

約数和(自身を除く): 447363810

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 13, 15, 18, 22, 26, 27, 30, 33, 39, 45, 54, 55, 65, 66, 78, 90, 99, 110, 117, 130, 135, 143, 165, 195, 198, 234, 270, 286, 297, 330, 351, 390, 429, 495, 585, 594, 702, 715, 858, 990, 1170, 1287, 1430, 1485, 1755, 2145, 2574, 2970, 3510, 3861, 4290, 5431, 6435, 7722, 10862, 12870, 16293, 19305, 27155, 32586, 38610, 48879, 54310, 59741, 70603, 81465, 97758, 119482, 141206, 146637, 162930, 179223, 211809, 244395, 293274, 298705, 353015, 358446, 423618, 488790, 537669, 597410, 635427, 706030, 733185, 776633, 896115, 1059045, 1075338, 1270854, 1466370, 1553266, 1613007, 1792230, 1906281, 2118090, 2329899, 2688345, 3177135, 3226014, 3812562, 3883165, 4659798, 5376690, 6354270, 6989697, 7766330, 8065035, 9531405, 11649495, 13979394, 16130070, 19062810, 20969091, 23298990, 34948485, 41938182, 69896970, 104845455, 209690910]

約数ペア:

[(1, 209690910), (2, 104845455), (3, 69896970), (5, 41938182), (6, 34948485), (9, 23298990), (10, 20969091), (11, 19062810), (13, 16130070), (15, 13979394), (18, 11649495), (22, 9531405), (26, 8065035), (27, 7766330), (30, 6989697), (33, 6354270), (39, 5376690), (45, 4659798), (54, 3883165), (55, 3812562), (65, 3226014), (66, 3177135), (78, 2688345), (90, 2329899), (99, 2118090), (110, 1906281), (117, 1792230), (130, 1613007), (135, 1553266), (143, 1466370), (165, 1270854), (195, 1075338), (198, 1059045), (234, 896115), (270, 776633), (286, 733185), (297, 706030), (330, 635427), (351, 597410), (390, 537669), (429, 488790), (495, 423618), (585, 358446), (594, 353015), (702, 298705), (715, 293274), (858, 244395), (990, 211809), (1170, 179223), (1287, 162930), (1430, 146637), (1485, 141206), (1755, 119482), (2145, 97758), (2574, 81465), (2970, 70603), (3510, 59741), (3861, 54310), (4290, 48879), (5431, 38610), (6435, 32586), (7722, 27155), (10862, 19305), (12870, 16293)]