289772875

素因数分解:

$5^3\times 7^1\times {\mathrm{61}}^2\times {\mathrm{89}}^1$

素因数の和:233

約数の個数: 48

約数和(自身を含む): 424906560

約数和(自身を除く): 135133685

約数列:

[1, 5, 7, 25, 35, 61, 89, 125, 175, 305, 427, 445, 623, 875, 1525, 2135, 2225, 3115, 3721, 5429, 7625, 10675, 11125, 15575, 18605, 26047, 27145, 38003, 53375, 77875, 93025, 130235, 135725, 190015, 331169, 465125, 651175, 678625, 950075, 1655845, 2318183, 3255875, 4750375, 8279225, 11590915, 41396125, 57954575, 289772875]

約数ペア:

[(1, 289772875), (5, 57954575), (7, 41396125), (25, 11590915), (35, 8279225), (61, 4750375), (89, 3255875), (125, 2318183), (175, 1655845), (305, 950075), (427, 678625), (445, 651175), (623, 465125), (875, 331169), (1525, 190015), (2135, 135725), (2225, 130235), (3115, 93025), (3721, 77875), (5429, 53375), (7625, 38003), (10675, 27145), (11125, 26047), (15575, 18605)]