55939100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{509}}^1$

素因数の和:687

約数の個数: 72

約数和(自身を含む): 139886880

約数和(自身を除く): 83947780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 157, 175, 314, 350, 509, 628, 700, 785, 1018, 1099, 1570, 2036, 2198, 2545, 3140, 3563, 3925, 4396, 5090, 5495, 7126, 7850, 10180, 10990, 12725, 14252, 15700, 17815, 21980, 25450, 27475, 35630, 50900, 54950, 71260, 79913, 89075, 109900, 159826, 178150, 319652, 356300, 399565, 559391, 799130, 1118782, 1598260, 1997825, 2237564, 2796955, 3995650, 5593910, 7991300, 11187820, 13984775, 27969550, 55939100]

約数ペア:

[(1, 55939100), (2, 27969550), (4, 13984775), (5, 11187820), (7, 7991300), (10, 5593910), (14, 3995650), (20, 2796955), (25, 2237564), (28, 1997825), (35, 1598260), (50, 1118782), (70, 799130), (100, 559391), (140, 399565), (157, 356300), (175, 319652), (314, 178150), (350, 159826), (509, 109900), (628, 89075), (700, 79913), (785, 71260), (1018, 54950), (1099, 50900), (1570, 35630), (2036, 27475), (2198, 25450), (2545, 21980), (3140, 17815), (3563, 15700), (3925, 14252), (4396, 12725), (5090, 10990), (5495, 10180), (7126, 7850)]