71391350

素因数分解:

$2^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1$

素因数の和:425

約数の個数: 48

約数和(自身を含む): 137000160

約数和(自身を除く): 65608810

約数列:

[1, 2, 5, 10, 25, 50, 61, 89, 122, 178, 263, 305, 445, 526, 610, 890, 1315, 1525, 2225, 2630, 3050, 4450, 5429, 6575, 10858, 13150, 16043, 23407, 27145, 32086, 46814, 54290, 80215, 117035, 135725, 160430, 234070, 271450, 401075, 585175, 802150, 1170350, 1427827, 2855654, 7139135, 14278270, 35695675, 71391350]

約数ペア:

[(1, 71391350), (2, 35695675), (5, 14278270), (10, 7139135), (25, 2855654), (50, 1427827), (61, 1170350), (89, 802150), (122, 585175), (178, 401075), (263, 271450), (305, 234070), (445, 160430), (526, 135725), (610, 117035), (890, 80215), (1315, 54290), (1525, 46814), (2225, 32086), (2630, 27145), (3050, 23407), (4450, 16043), (5429, 13150), (6575, 10858)]