213986170

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{499}}^1$

素因数の和:623

約数の個数: 64

約数和(自身を含む): 424080000

約数和(自身を除く): 210093830

約数列:

[1, 2, 5, 10, 19, 37, 38, 61, 74, 95, 122, 185, 190, 305, 370, 499, 610, 703, 998, 1159, 1406, 2257, 2318, 2495, 3515, 4514, 4990, 5795, 7030, 9481, 11285, 11590, 18463, 18962, 22570, 30439, 36926, 42883, 47405, 60878, 85766, 92315, 94810, 152195, 184630, 214415, 304390, 350797, 428830, 578341, 701594, 1126243, 1156682, 1753985, 2252486, 2891705, 3507970, 5631215, 5783410, 11262430, 21398617, 42797234, 106993085, 213986170]

約数ペア:

[(1, 213986170), (2, 106993085), (5, 42797234), (10, 21398617), (19, 11262430), (37, 5783410), (38, 5631215), (61, 3507970), (74, 2891705), (95, 2252486), (122, 1753985), (185, 1156682), (190, 1126243), (305, 701594), (370, 578341), (499, 428830), (610, 350797), (703, 304390), (998, 214415), (1159, 184630), (1406, 152195), (2257, 94810), (2318, 92315), (2495, 85766), (3515, 60878), (4514, 47405), (4990, 42883), (5795, 36926), (7030, 30439), (9481, 22570), (11285, 18962), (11590, 18463)]