1562989820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{85223}}^1$

素因数の和:85370

約数の個数: 48

約数和(自身を含む): 3779854848

約数和(自身を除く): 2216865028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 131, 140, 262, 524, 655, 917, 1310, 1834, 2620, 3668, 4585, 9170, 18340, 85223, 170446, 340892, 426115, 596561, 852230, 1193122, 1704460, 2386244, 2982805, 5965610, 11164213, 11931220, 22328426, 44656852, 55821065, 78149491, 111642130, 156298982, 223284260, 312597964, 390747455, 781494910, 1562989820]

約数ペア:

[(1, 1562989820), (2, 781494910), (4, 390747455), (5, 312597964), (7, 223284260), (10, 156298982), (14, 111642130), (20, 78149491), (28, 55821065), (35, 44656852), (70, 22328426), (131, 11931220), (140, 11164213), (262, 5965610), (524, 2982805), (655, 2386244), (917, 1704460), (1310, 1193122), (1834, 852230), (2620, 596561), (3668, 426115), (4585, 340892), (9170, 170446), (18340, 85223)]