302519900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1789}}^1$

素因数の和:1911

約数の個数: 72

約数和(自身を含む): 699174000

約数和(自身を除く): 396654100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 89, 95, 100, 178, 190, 356, 380, 445, 475, 890, 950, 1691, 1780, 1789, 1900, 2225, 3382, 3578, 4450, 6764, 7156, 8455, 8900, 8945, 16910, 17890, 33820, 33991, 35780, 42275, 44725, 67982, 84550, 89450, 135964, 159221, 169100, 169955, 178900, 318442, 339910, 636884, 679820, 796105, 849775, 1592210, 1699550, 3025199, 3184420, 3399100, 3980525, 6050398, 7961050, 12100796, 15125995, 15922100, 30251990, 60503980, 75629975, 151259950, 302519900]

約数ペア:

[(1, 302519900), (2, 151259950), (4, 75629975), (5, 60503980), (10, 30251990), (19, 15922100), (20, 15125995), (25, 12100796), (38, 7961050), (50, 6050398), (76, 3980525), (89, 3399100), (95, 3184420), (100, 3025199), (178, 1699550), (190, 1592210), (356, 849775), (380, 796105), (445, 679820), (475, 636884), (890, 339910), (950, 318442), (1691, 178900), (1780, 169955), (1789, 169100), (1900, 159221), (2225, 135964), (3382, 89450), (3578, 84550), (4450, 67982), (6764, 44725), (7156, 42275), (8455, 35780), (8900, 33991), (8945, 33820), (16910, 17890)]