1420690

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:222

約数の個数: 32

約数和(自身を含む): 2772144

約数和(自身を除く): 1351454

約数列:

[1, 2, 5, 10, 17, 34, 61, 85, 122, 137, 170, 274, 305, 610, 685, 1037, 1370, 2074, 2329, 4658, 5185, 8357, 10370, 11645, 16714, 23290, 41785, 83570, 142069, 284138, 710345, 1420690]

約数ペア:

[(1, 1420690), (2, 710345), (5, 284138), (10, 142069), (17, 83570), (34, 41785), (61, 23290), (85, 16714), (122, 11645), (137, 10370), (170, 8357), (274, 5185), (305, 4658), (610, 2329), (685, 2074), (1037, 1370)]