209560904

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{877}}^1$

素因数の和:1158

約数の個数: 64

約数和(自身を含む): 477912960

約数和(自身を除く): 268352056

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 251, 476, 502, 877, 952, 1004, 1754, 1757, 2008, 3508, 3514, 4267, 6139, 7016, 7028, 8534, 12278, 14056, 14909, 17068, 24556, 29818, 29869, 34136, 49112, 59636, 59738, 104363, 119272, 119476, 208726, 220127, 238952, 417452, 440254, 834904, 880508, 1540889, 1761016, 3081778, 3742159, 6163556, 7484318, 12327112, 14968636, 26195113, 29937272, 52390226, 104780452, 209560904]

約数ペア:

[(1, 209560904), (2, 104780452), (4, 52390226), (7, 29937272), (8, 26195113), (14, 14968636), (17, 12327112), (28, 7484318), (34, 6163556), (56, 3742159), (68, 3081778), (119, 1761016), (136, 1540889), (238, 880508), (251, 834904), (476, 440254), (502, 417452), (877, 238952), (952, 220127), (1004, 208726), (1754, 119476), (1757, 119272), (2008, 104363), (3508, 59738), (3514, 59636), (4267, 49112), (6139, 34136), (7016, 29869), (7028, 29818), (8534, 24556), (12278, 17068), (14056, 14909)]