211361410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{293}}^1$

素因数の和:523

約数の個数: 64

約数和(自身を含む): 426746880

約数和(自身を除く): 215385470

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 179, 293, 310, 358, 403, 586, 806, 895, 1465, 1790, 2015, 2327, 2930, 3809, 4030, 4654, 5549, 7618, 9083, 11098, 11635, 18166, 19045, 23270, 27745, 38090, 45415, 52447, 55490, 72137, 90830, 104894, 118079, 144274, 236158, 262235, 360685, 524470, 590395, 681811, 721370, 1180790, 1363622, 1625857, 3251714, 3409055, 6818110, 8129285, 16258570, 21136141, 42272282, 105680705, 211361410]

約数ペア:

[(1, 211361410), (2, 105680705), (5, 42272282), (10, 21136141), (13, 16258570), (26, 8129285), (31, 6818110), (62, 3409055), (65, 3251714), (130, 1625857), (155, 1363622), (179, 1180790), (293, 721370), (310, 681811), (358, 590395), (403, 524470), (586, 360685), (806, 262235), (895, 236158), (1465, 144274), (1790, 118079), (2015, 104894), (2327, 90830), (2930, 72137), (3809, 55490), (4030, 52447), (4654, 45415), (5549, 38090), (7618, 27745), (9083, 23270), (11098, 19045), (11635, 18166)]