169890440

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{631}}^1$

素因数の和:822

約数の個数: 64

約数和(自身を含む): 393154560

約数和(自身を除く): 223264120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 127, 212, 254, 265, 424, 508, 530, 631, 635, 1016, 1060, 1262, 1270, 2120, 2524, 2540, 3155, 5048, 5080, 6310, 6731, 12620, 13462, 25240, 26924, 33443, 33655, 53848, 66886, 67310, 80137, 133772, 134620, 160274, 167215, 267544, 269240, 320548, 334430, 400685, 641096, 668860, 801370, 1337720, 1602740, 3205480, 4247261, 8494522, 16989044, 21236305, 33978088, 42472610, 84945220, 169890440]

約数ペア:

[(1, 169890440), (2, 84945220), (4, 42472610), (5, 33978088), (8, 21236305), (10, 16989044), (20, 8494522), (40, 4247261), (53, 3205480), (106, 1602740), (127, 1337720), (212, 801370), (254, 668860), (265, 641096), (424, 400685), (508, 334430), (530, 320548), (631, 269240), (635, 267544), (1016, 167215), (1060, 160274), (1262, 134620), (1270, 133772), (2120, 80137), (2524, 67310), (2540, 66886), (3155, 53848), (5048, 33655), (5080, 33443), (6310, 26924), (6731, 25240), (12620, 13462)]