189920240

素因数分解:

$2^4\times 5^1\times {\mathrm{1327}}^1\times {\mathrm{1789}}^1$

素因数の和:3129

約数の個数: 40

約数和(自身を含む): 442144320

約数和(自身を除く): 252224080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1327, 1789, 2654, 3578, 5308, 6635, 7156, 8945, 10616, 13270, 14312, 17890, 21232, 26540, 28624, 35780, 53080, 71560, 106160, 143120, 2374003, 4748006, 9496012, 11870015, 18992024, 23740030, 37984048, 47480060, 94960120, 189920240]

約数ペア:

[(1, 189920240), (2, 94960120), (4, 47480060), (5, 37984048), (8, 23740030), (10, 18992024), (16, 11870015), (20, 9496012), (40, 4748006), (80, 2374003), (1327, 143120), (1789, 106160), (2654, 71560), (3578, 53080), (5308, 35780), (6635, 28624), (7156, 26540), (8945, 21232), (10616, 17890), (13270, 14312)]