199943716

素因数分解:

$2^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1$

素因数の和:377

約数の個数: 72

約数和(自身を含む): 422301600

約数和(自身を除く): 222357884

約数列:

[1, 2, 4, 7, 14, 28, 41, 49, 82, 98, 139, 164, 179, 196, 278, 287, 358, 556, 574, 716, 973, 1148, 1253, 1946, 2009, 2506, 3892, 4018, 5012, 5699, 6811, 7339, 8036, 8771, 11398, 13622, 14678, 17542, 22796, 24881, 27244, 29356, 35084, 39893, 49762, 51373, 79786, 99524, 102746, 159572, 174167, 205492, 279251, 348334, 359611, 558502, 696668, 719222, 1020121, 1117004, 1219169, 1438444, 2040242, 2438338, 4080484, 4876676, 7140847, 14281694, 28563388, 49985929, 99971858, 199943716]

約数ペア:

[(1, 199943716), (2, 99971858), (4, 49985929), (7, 28563388), (14, 14281694), (28, 7140847), (41, 4876676), (49, 4080484), (82, 2438338), (98, 2040242), (139, 1438444), (164, 1219169), (179, 1117004), (196, 1020121), (278, 719222), (287, 696668), (358, 558502), (556, 359611), (574, 348334), (716, 279251), (973, 205492), (1148, 174167), (1253, 159572), (1946, 102746), (2009, 99524), (2506, 79786), (3892, 51373), (4018, 49762), (5012, 39893), (5699, 35084), (6811, 29356), (7339, 27244), (8036, 24881), (8771, 22796), (11398, 17542), (13622, 14678)]