1900495908

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{6949}}^1$

素因数の和:7137

約数の個数: 72

約数和(自身を含む): 4917931200

約数和(自身を除く): 3017435292

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 107, 142, 213, 214, 284, 321, 426, 428, 639, 642, 852, 963, 1278, 1284, 1926, 2556, 3852, 6949, 7597, 13898, 15194, 20847, 22791, 27796, 30388, 41694, 45582, 62541, 68373, 83388, 91164, 125082, 136746, 250164, 273492, 493379, 743543, 986758, 1480137, 1487086, 1973516, 2230629, 2960274, 2974172, 4440411, 4461258, 5920548, 6691887, 8880822, 8922516, 13383774, 17761644, 26767548, 52791553, 105583106, 158374659, 211166212, 316749318, 475123977, 633498636, 950247954, 1900495908]

約数ペア:

[(1, 1900495908), (2, 950247954), (3, 633498636), (4, 475123977), (6, 316749318), (9, 211166212), (12, 158374659), (18, 105583106), (36, 52791553), (71, 26767548), (107, 17761644), (142, 13383774), (213, 8922516), (214, 8880822), (284, 6691887), (321, 5920548), (426, 4461258), (428, 4440411), (639, 2974172), (642, 2960274), (852, 2230629), (963, 1973516), (1278, 1487086), (1284, 1480137), (1926, 986758), (2556, 743543), (3852, 493379), (6949, 273492), (7597, 250164), (13898, 136746), (15194, 125082), (20847, 91164), (22791, 83388), (27796, 68373), (30388, 62541), (41694, 45582)]