1682990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:188

約数の個数: 32

約数和(自身を含む): 3214080

約数和(自身を除く): 1531090

約数列:

[1, 2, 5, 10, 31, 61, 62, 89, 122, 155, 178, 305, 310, 445, 610, 890, 1891, 2759, 3782, 5429, 5518, 9455, 10858, 13795, 18910, 27145, 27590, 54290, 168299, 336598, 841495, 1682990]

約数ペア:

[(1, 1682990), (2, 841495), (5, 336598), (10, 168299), (31, 54290), (61, 27590), (62, 27145), (89, 18910), (122, 13795), (155, 10858), (178, 9455), (305, 5518), (310, 5429), (445, 3782), (610, 2759), (890, 1891)]