55209370

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^2$

素因数の和:243

約数の個数: 48

約数和(自身を含む): 109013688

約数和(自身を除く): 53804318

約数列:

[1, 2, 5, 10, 17, 34, 41, 82, 85, 89, 170, 178, 205, 410, 445, 697, 890, 1394, 1513, 3026, 3485, 3649, 6970, 7298, 7565, 7921, 15130, 15842, 18245, 36490, 39605, 62033, 79210, 124066, 134657, 269314, 310165, 324761, 620330, 649522, 673285, 1346570, 1623805, 3247610, 5520937, 11041874, 27604685, 55209370]

約数ペア:

[(1, 55209370), (2, 27604685), (5, 11041874), (10, 5520937), (17, 3247610), (34, 1623805), (41, 1346570), (82, 673285), (85, 649522), (89, 620330), (170, 324761), (178, 310165), (205, 269314), (410, 134657), (445, 124066), (697, 79210), (890, 62033), (1394, 39605), (1513, 36490), (3026, 18245), (3485, 15842), (3649, 15130), (6970, 7921), (7298, 7565)]