990153156

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:521

約数の個数: 96

約数和(自身を含む): 2477440000

約数和(自身を除く): 1487286844

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 139, 157, 199, 228, 278, 314, 398, 417, 471, 556, 597, 628, 796, 834, 942, 1194, 1668, 1884, 2388, 2641, 2983, 3781, 5282, 5966, 7562, 7923, 8949, 10564, 11343, 11932, 15124, 15846, 17898, 21823, 22686, 27661, 31243, 31692, 35796, 43646, 45372, 55322, 62486, 65469, 82983, 87292, 93729, 110644, 124972, 130938, 165966, 187458, 261876, 331932, 374916, 414637, 525559, 593617, 829274, 1051118, 1187234, 1243911, 1576677, 1658548, 1780851, 2102236, 2374468, 2487822, 3153354, 3561702, 4342777, 4975644, 6306708, 7123404, 8685554, 13028331, 17371108, 26056662, 52113324, 82512763, 165025526, 247538289, 330051052, 495076578, 990153156]

約数ペア:

[(1, 990153156), (2, 495076578), (3, 330051052), (4, 247538289), (6, 165025526), (12, 82512763), (19, 52113324), (38, 26056662), (57, 17371108), (76, 13028331), (114, 8685554), (139, 7123404), (157, 6306708), (199, 4975644), (228, 4342777), (278, 3561702), (314, 3153354), (398, 2487822), (417, 2374468), (471, 2102236), (556, 1780851), (597, 1658548), (628, 1576677), (796, 1243911), (834, 1187234), (942, 1051118), (1194, 829274), (1668, 593617), (1884, 525559), (2388, 414637), (2641, 374916), (2983, 331932), (3781, 261876), (5282, 187458), (5966, 165966), (7562, 130938), (7923, 124972), (8949, 110644), (10564, 93729), (11343, 87292), (11932, 82983), (15124, 65469), (15846, 62486), (17898, 55322), (21823, 45372), (22686, 43646), (27661, 35796), (31243, 31692)]