320753342

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{409}}^1$

素因数の和:601

約数の個数: 64

約数和(自身を含む): 617164800

約数和(自身を除く): 296411458

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 139, 182, 217, 278, 403, 409, 434, 806, 818, 973, 1807, 1946, 2821, 2863, 3614, 4309, 5317, 5642, 5726, 8618, 10634, 12649, 12679, 25298, 25358, 30163, 37219, 56017, 56851, 60326, 74438, 88753, 112034, 113702, 164827, 177506, 329654, 392119, 397957, 739063, 784238, 795914, 1153789, 1478126, 1762381, 2307578, 3524762, 5173441, 10346882, 12336667, 22910953, 24673334, 45821906, 160376671, 320753342]

約数ペア:

[(1, 320753342), (2, 160376671), (7, 45821906), (13, 24673334), (14, 22910953), (26, 12336667), (31, 10346882), (62, 5173441), (91, 3524762), (139, 2307578), (182, 1762381), (217, 1478126), (278, 1153789), (403, 795914), (409, 784238), (434, 739063), (806, 397957), (818, 392119), (973, 329654), (1807, 177506), (1946, 164827), (2821, 113702), (2863, 112034), (3614, 88753), (4309, 74438), (5317, 60326), (5642, 56851), (5726, 56017), (8618, 37219), (10634, 30163), (12649, 25358), (12679, 25298)]