49390480

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{349}}^1$

素因数の和:452

約数の個数: 80

約数和(自身を含む): 121086000

約数和(自身を除く): 71695520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 61, 80, 116, 122, 145, 232, 244, 290, 305, 349, 464, 488, 580, 610, 698, 976, 1160, 1220, 1396, 1745, 1769, 2320, 2440, 2792, 3490, 3538, 4880, 5584, 6980, 7076, 8845, 10121, 13960, 14152, 17690, 20242, 21289, 27920, 28304, 35380, 40484, 42578, 50605, 70760, 80968, 85156, 101210, 106445, 141520, 161936, 170312, 202420, 212890, 340624, 404840, 425780, 617381, 809680, 851560, 1234762, 1703120, 2469524, 3086905, 4939048, 6173810, 9878096, 12347620, 24695240, 49390480]

約数ペア:

[(1, 49390480), (2, 24695240), (4, 12347620), (5, 9878096), (8, 6173810), (10, 4939048), (16, 3086905), (20, 2469524), (29, 1703120), (40, 1234762), (58, 851560), (61, 809680), (80, 617381), (116, 425780), (122, 404840), (145, 340624), (232, 212890), (244, 202420), (290, 170312), (305, 161936), (349, 141520), (464, 106445), (488, 101210), (580, 85156), (610, 80968), (698, 70760), (976, 50605), (1160, 42578), (1220, 40484), (1396, 35380), (1745, 28304), (1769, 27920), (2320, 21289), (2440, 20242), (2792, 17690), (3490, 14152), (3538, 13960), (4880, 10121), (5584, 8845), (6980, 7076)]