2911820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:170

約数の個数: 48

約数和(自身を含む): 6477408

約数和(自身を除く): 3565588

約数列:

[1, 2, 4, 5, 10, 20, 41, 53, 67, 82, 106, 134, 164, 205, 212, 265, 268, 335, 410, 530, 670, 820, 1060, 1340, 2173, 2747, 3551, 4346, 5494, 7102, 8692, 10865, 10988, 13735, 14204, 17755, 21730, 27470, 35510, 43460, 54940, 71020, 145591, 291182, 582364, 727955, 1455910, 2911820]

約数ペア:

[(1, 2911820), (2, 1455910), (4, 727955), (5, 582364), (10, 291182), (20, 145591), (41, 71020), (53, 54940), (67, 43460), (82, 35510), (106, 27470), (134, 21730), (164, 17755), (205, 14204), (212, 13735), (265, 10988), (268, 10865), (335, 8692), (410, 7102), (530, 5494), (670, 4346), (820, 3551), (1060, 2747), (1340, 2173)]