199900904

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{421}}^1$

素因数の和:634

約数の個数: 64

約数和(自身を含む): 439555200

約数和(自身を除く): 239654296

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 122, 139, 244, 278, 421, 427, 488, 556, 842, 854, 973, 1112, 1684, 1708, 1946, 2947, 3368, 3416, 3892, 5894, 7784, 8479, 11788, 16958, 23576, 25681, 33916, 51362, 58519, 59353, 67832, 102724, 117038, 118706, 179767, 205448, 234076, 237412, 359534, 409633, 468152, 474824, 719068, 819266, 1438136, 1638532, 3277064, 3569659, 7139318, 14278636, 24987613, 28557272, 49975226, 99950452, 199900904]

約数ペア:

[(1, 199900904), (2, 99950452), (4, 49975226), (7, 28557272), (8, 24987613), (14, 14278636), (28, 7139318), (56, 3569659), (61, 3277064), (122, 1638532), (139, 1438136), (244, 819266), (278, 719068), (421, 474824), (427, 468152), (488, 409633), (556, 359534), (842, 237412), (854, 234076), (973, 205448), (1112, 179767), (1684, 118706), (1708, 117038), (1946, 102724), (2947, 67832), (3368, 59353), (3416, 58519), (3892, 51362), (5894, 33916), (7784, 25681), (8479, 23576), (11788, 16958)]