205979888

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1$

素因数の和:370

約数の個数: 80

約数和(自身を含む): 440534304

約数和(自身を除く): 234554416

約数列:

[1, 2, 4, 8, 16, 17, 34, 37, 68, 74, 97, 136, 148, 194, 211, 272, 296, 388, 422, 592, 629, 776, 844, 1258, 1552, 1649, 1688, 2516, 3298, 3376, 3587, 3589, 5032, 6596, 7174, 7178, 7807, 10064, 13192, 14348, 14356, 15614, 20467, 26384, 28696, 28712, 31228, 40934, 57392, 57424, 61013, 62456, 81868, 122026, 124912, 132719, 163736, 244052, 265438, 327472, 347939, 488104, 530876, 695878, 757279, 976208, 1061752, 1391756, 1514558, 2123504, 2783512, 3029116, 5567024, 6058232, 12116464, 12873743, 25747486, 51494972, 102989944, 205979888]

約数ペア:

[(1, 205979888), (2, 102989944), (4, 51494972), (8, 25747486), (16, 12873743), (17, 12116464), (34, 6058232), (37, 5567024), (68, 3029116), (74, 2783512), (97, 2123504), (136, 1514558), (148, 1391756), (194, 1061752), (211, 976208), (272, 757279), (296, 695878), (388, 530876), (422, 488104), (592, 347939), (629, 327472), (776, 265438), (844, 244052), (1258, 163736), (1552, 132719), (1649, 124912), (1688, 122026), (2516, 81868), (3298, 62456), (3376, 61013), (3587, 57424), (3589, 57392), (5032, 40934), (6596, 31228), (7174, 28712), (7178, 28696), (7807, 26384), (10064, 20467), (13192, 15614), (14348, 14356)]