17381950

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:253

約数の個数: 48

約数和(自身を含む): 33904080

約数和(自身を除く): 16522130

約数列:

[1, 2, 5, 10, 25, 41, 50, 61, 82, 122, 139, 205, 278, 305, 410, 610, 695, 1025, 1390, 1525, 2050, 2501, 3050, 3475, 5002, 5699, 6950, 8479, 11398, 12505, 16958, 25010, 28495, 42395, 56990, 62525, 84790, 125050, 142475, 211975, 284950, 347639, 423950, 695278, 1738195, 3476390, 8690975, 17381950]

約数ペア:

[(1, 17381950), (2, 8690975), (5, 3476390), (10, 1738195), (25, 695278), (41, 423950), (50, 347639), (61, 284950), (82, 211975), (122, 142475), (139, 125050), (205, 84790), (278, 62525), (305, 56990), (410, 42395), (610, 28495), (695, 25010), (1025, 16958), (1390, 12505), (1525, 11398), (2050, 8479), (2501, 6950), (3050, 5699), (3475, 5002)]