151388440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{77239}}^1$

素因数の和:77264

約数の個数: 48

約数和(自身を含む): 396241200

約数和(自身を除く): 244852760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 77239, 154478, 308956, 386195, 540673, 617912, 772390, 1081346, 1544780, 2162692, 2703365, 3089560, 3784711, 4325384, 5406730, 7569422, 10813460, 15138844, 18923555, 21626920, 30277688, 37847110, 75694220, 151388440]

約数ペア:

[(1, 151388440), (2, 75694220), (4, 37847110), (5, 30277688), (7, 21626920), (8, 18923555), (10, 15138844), (14, 10813460), (20, 7569422), (28, 5406730), (35, 4325384), (40, 3784711), (49, 3089560), (56, 2703365), (70, 2162692), (98, 1544780), (140, 1081346), (196, 772390), (245, 617912), (280, 540673), (392, 386195), (490, 308956), (980, 154478), (1960, 77239)]